Tag: vitamin A

Blue Blockers Protecting Vision Problems, Part 1 – InVite Health Podcast, Episode 570

Blue Blockers Protecting Vision Problems, Part 1 – InVite Health Podcast, Episode 570

Join Jerry Hickey, Ph as he talks about the connection of green leafy vegetables and how they work as blue light blockers.

Maintaining and Building Muscle – InVite Health Podcast, Episode 539

Maintaining and Building Muscle – InVite Health Podcast, Episode 539

If you’re looking to build and maintain muscle health, it’s important to make sure you are getting the proper nutrients. Learn more about the nutrients you need from Melissa Bistricer, RDN.

Your Eye Doctor Needs To Know This Supplement – InVite Health Podcast, Episode 529

Your Eye Doctor Needs To Know This Supplement – InVite Health Podcast, Episode 529

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Please see below for a complete transcript of this episode.

Your Eye Doctor Needs To Know This Supplement – InVite Health Podcast, Episode 529

Hosted by Amanda Williams, MPH

*Intro music*

InVite Health Podcast Intro: Welcome to the InVite Health Podcast, where our degreed healthcare professionals are excited to offer you the most important health and wellness information you need to make informed choices about your health. You can learn more about the products discussed in each of these episodes and all that InVite Health has to offer at www.invitehealth.com/podcast. First time customers can use promo code PODCAST at checkout for an additional 15% off your first purchase. Let’s get started!

*Intro music*

Amanda Williams, MPH:

[00:00:40] The COVID-19 pandemic changed our society and especially in regards to work, that commonly people are working remotely, so their meetings, their conversations, exchanging info and ideas is often virtual, and this is leading to spending a great deal of time on computer and smartphone screens. So people of all age groups are becoming aware of vision health and are increasingly seeking info on eye health. So many nutrients stand out when it comes to vision and eye health, and possibly chief among them is lutein. We’ll explain what that is later on and the foods that can supply lutein. So your screens, all those screens from your computer, your cell phone, your high-definition TV, your video games and of course, outside the sunlight, it depletes your eyes of lutein, but it also depletes the brain of lutein. So in healthy young people and also middle aged people, this leads to eye fatigue and even brain fatigue. But in our elderly, me included, this actually contributes to vision loss and even some memory loss. So in my opinion, the health benefits of lutein are strongly underestimated, and it is important for ophthalmologists and optometrists to inform their patients about lutein that could be derived from foods, but as you get older, it becomes increasingly important to supplement with lutein. So hi, my name is Jerry Hickey. I’m a licensed pharmacist specializing in nutrition, which I’ve studied for many, many decades. Welcome to my episode, Doctors and Supplements, Episode Two: Eye Doctors Need to Know About This Supplement. You can find all our InViteⓇ episodes for free wherever you listen to podcasts or go to invitehealth.com/podcast. You can also find us on Facebook, Twitter and Instagram @invitehealth, and please subscribe and leave us a review.† [00:02:48]

[00:02:50] So let me get into this. It’s hard to say enough about lutein. Several decades ago, researchers at Harvard Medical School found that older people who ate a great deal of green leafy vegetables generally had better vision than their peers. Soon after, it was discovered that the most prominent nutrients in the greens were pigments called lutein and zeaxanthin. Now, lutein is a, an amber-orangish pigment, zeaxanthin is yellowish, in fact, you find it in corn. Corn is called zea maize. They named zeaxanthin after zea maize. So these are in the carotenoid family. We know of many, many, many hundreds of carotenoids. Many are very important to the human body, such as astaxanthin, which is the pink carotenoid you see in cooked shellfish and in flamingos or beta carotene that you find commonly in plants and also lutein and zeaxanthin, they’re very important… Lycopene, the red one in tomatoes and other fruits. They’re very important for human health.† [00:04:02]

ANTIOXIDANT CAROTENOIDS FOR A LONGER, HEALTHIER LIFE – INVITE HEALTH PODCAST, EPISODE 283. Listen Now>>

[00:04:04] Now, an early study was from the Moran Eye Health Center, that’s at the University of Utah. They took a pretty good sized population of elderly people, and it gave them either a placebo, which is an inactive substance, or a supplement of lutein and zeaxanthin every day for a year. And they found that eye health improved, vision was better, in the people taking the, the lutein. So why… So that’s just an example of some of the evidence behind it. But there’s many, many, many hundreds, perhaps thousands of studies on lutein at this point in our health.† [00:04:41]

[00:04:42] So why the issue with lutein and electronic screens? Electronic screens like your cell phone and your computer use LED, light emitting diode, background technology. This gives greater clarity. It enhances the colors. It’s more, more vibrant a picture. And part of that is it emits blue light. Now, blue light has a very short wavelength, so millions of rays of blue light are hitting your, your eyes when you’re on your computer or cell phone. And this creates a glare. These flashes create a glare, and lutein is meant to absorb and protect the eyes from blue light. That’s one of its outstanding benefits because blue light can really damage the eyes. So a young person on computer screens all day long, they’re using up their lutein, their eyes and their brain get fatigued and simply reestablishing lutein takes care of that. In fact, some of the younger people I’ve known in college and also a lot of IT people, I’ve recommended lutein to them who were studying, who are doing intensive studies. So what are some sources of lutein? Well, egg yolks are a good source. Green leafy vegetables like spinach and broccoli and Swiss chard. Pistachio nuts have a little. As far as supplements, the major source has been marigold flowers, and there’s a great deal of research on that. These supplements absolutely work.† [00:06:20]

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[00:06:22] So what does lutein do in the eye? There’s this protective moat in the eye, a barrier called your macular pigment, and one of its activities is absorbing blue light. See, in the back of the eye where vision takes place, there’s a lot of little vulnerable organs that could be damaged by, by blue light. So the macular pigment, this kind of catcher’s mitt, blocks the blue light from getting into the back of the eye. It’s largely made out of lutein and zeaxanthin and meso-zeaxanthin and there’s a lot of the mineral zinc in there, too. And inside the same macular pigment, there’s a little structure called a fovea, which looks like a broken egg yolk. That’s really important for core vision. When you’re looking at something, you’re really only clearly seeing something about the size of a breadbox in your vision. The rest of your vision is just kind of a little bit out of focus, right? That’s the full view. So if that gets damaged, if your macular tissue gets damaged, you develop basically a dark hole in the middle of your vision. It’s a form of blindness, in fact, it’s the most common form of blindness in elderly people. The most common form of blindness in young people, which happens in areas where there’s wars and famines is xeropthalmia, where they’re they’re lacking Vitamin A, A as is in apple. But in older people, it’s due to a lack of lutein and zeaxanthin, which are not Vitamin A, but they’re relatives of Vitamin A in their structure.† [00:07:52]

[00:07:53] But lutein is also important for brain power. So when you deplete lutein in the young, they develop eye fatigue and brain fatigue, but giving them a source of lutein refreshes the brain and the eyes, but… And this is true for middle aged people too. But in us elderly, when you deplete lutein consistently, it affects our memory as well as our vision. Now, here’s some interesting research on lutein and the brain. Studies, early studies from the United States showed that lutein is the prominent pigment in the brains of babies. 60% of the pigments in the brain of babies is lutein. But then people who are octogenarians and centenarians, the amount of lutein in the brain drops dramatically. In fact, it was this very interesting study done down south, I think it was done in Alabama, where they took a large population of centenarians people, 100 years or over 100 years of age, which is amazing, couldn’t have done that 20 or 30 years ago, right? Get such a good population. I think it was 100 elderly people. And when they checked their, their brain power, the ones with greater brain power had more lutein in their brain.† [00:09:18]

[00:09:20] So a systematic review is one researchers looked through evidence of something. It could be a drug, it could be a food, it could be a disease, whatever it is, something scientifically. They do a a screening of all the studies out there. And that’s easy to do today because we have all these electronic sources such as PubMed. That’s the Library of Congress website, where they collate all research on, on, on nutrients and medicine, etc. And there’s Embase and Ovid. There’s a whole bunch of these electronic websites where researchers can now go and very easily download studies on anything, basically anything to do with health, so in this case, it’s lutein, and then they do a meta analysis so they choose the study that are looking at exactly what they want. But the studies have to be high quality. They have to be well-designed, well-reported, lacking bias. That’s called a meta analysis. That’s important because when a meta analysis is done properly, it tells you of something either works or it doesn’t work. So there’s been many scientific reviews, meta analysis where they bunch these studies together and they find that lutein really does benefit older people’s eyes and also older people’s memory. In fact, throughout your age, throughout your life, your lifespan, whether you were an infant or an adult or elderly adult, lutein is important for your brain and vision.† [00:10:57]

[00:10:59] So this is the journal Nutrients, and this happens to be a meta analysis that was published May 2021. It’s the Department of Cognitive Health Sciences. That’s the University of Toshiko. It’s in their division where they also study memory, aging and cancer. And also researchers in England at the University of East Anglia in Cambridge. And they looked at nine studies in total. They found seven studies using brain scans using MRIs, functional MRIs, magnetic resonance imaging, and two studies where they used electroencephalograms of the brain. So nine studies in all, very high quality studies. They found that 10mg of lutein a day as a supplement, natural lutein… And always take lutein with food. It’s fatty-soluble. It’s absorbed better with food. It improved brain activity, but it also, well, it improved the structure of the brain, which was very exciting. And this is in healthy older adults. So it improved the function of their brain during resting or during cognitive tasks. So when the brain was challenged with a test or doing math, et cetera. But they also found that it directly affected the volume of the gray matter of the brain. So in the gray matter, which is many, many billions of cells as well different estimates, sometimes 80 billion, 100 billion, 50 billion, but it’s a lot of cells. In a gray matter, memory takes place for the most part, and it has to be rich in lutein. And they found that when they gave these people, elderly people lutein, not only did it improve the function of the brain and support memory structure and memory activities, but gray matter volume increased. It actually supported the volume of gray matter. I mean that’s some interesting… I’ve only seen two things do that. One is lutein, and the other thing is type one collagen. Apparently, the brain has a large volume of type one collagen.† [00:13:10]

NOT ALL COLLAGEN TYPES ARE THE SAME – INVITE HEALTH PODCAST, EPISODE 370. Listen Now>>

[00:13:13] So my recommendation? For young people, you can easily absorb lutein from food, and these foods are good for the heart, they’re good for the eyes, the brain. Obviously, they’re good for your, your circulatory system. They have anti-cancer effects. There’s a lot of benefits from these green leafy vegetables. But older people have more difficulty absorbing lutein from their food for some reason. So they really should supplement their diet with a good lutein supplement. There is one called Lutein 2020, and that also has zeaxanthin and other forms of zeaxanthin that are good for vision. Now other nutrients that are good for the eye? I mean, obviously the eye is complex, just like the brain. And interestingly, the supplements that have value for the eyes have value for the brain. So why should that be? For the supplements, for nutrients to get to your eyeball, they have to go through the brain first, and the brain grabs all the nutrients it needs, and whatever’s left over, it gets to the eyes. So if you’re not absorbing enough from your food, not enough is going to be there possibly for the brain, but certainly not for the eyes. So fish oils, omega-3 fatty acids, which are longer chain omega-3 fatty acids and shorter chain ones from like vegetables like flaxseeds. A little bit of omega-6 fatty acids, which are found in vegetable oils. They’re also found in evening primrose oil. You don’t want to overdo the omega-6 fatty acids because that can lead to inflammation. But omega-6 fatty acids are needed by the eyes. In fact, they found that dry eye disease and dry eye syndrome you can really help treat it with omega-3 like fish oils and omega-6 vegetable fat helps with dry eyes caused by things like contact lenses. Zinc is very important for the eyes, and it’s very important for the brain. We’ve done a number of podcast episodes on zinc for the immune system, for vision, etc. Very important element. And zinc is another nutrient that you absorb less with age. So older people really should consider taking a zinc supplement, especially since it’s so important for the immune system. Vitamin C, you could get that, of course, from fruits and vegetables. A Vitamin E, natural Vitamin E is very important for the eyes. They protect your eyes just like lutein and zeaxanthin shield the eyes, so do Vitamin C and Vitamin E and zinc. They work as anti-inflammatory antioxidant nutrients in the eyes. Beta carotene found in vegetables, very important for the eyes. Really should be natural beta carotene, synthetic beta carotene doesn’t work well. Just like Vitamin E should be natural. The synthetic Vitamin E doesn’t work very well. Beta carotene is converted to a form of Vitamin A that creates rhodopsin. So you could see clearly and you could see well at night, etc. B-vitamins are important for energy for the eye. A B2 directly works in the eyes. You know it’s called riboflavin. Magnesium and taurine are important for the eyes. Magnesium’s an amazing supplement. In fact, I did a podcast episode last week looking at magnesium for cardiologists. Taurine, on the other hand, is a sulfydryl amino acid. It’s kind of like in a class of its own. It’s very important for the brain, is very important for the, for the gallbladder and the kidneys. It’s very important for the heart’s circulation. It’s also very important for your vision. You could get taurine from fish.† [00:16:39]

[00:16:41] So thank you for listening to today’s episode. You can find all of our episodes for free wherever you listen to podcasts or go to invitehealth.com/podcast. Please subscribe and leave us a review if you can. You can also follow Insight on Facebook, Instagram and Twitter @invitehealth. I want to thank you for listening to today’s episode. I hope you listen… I hope to see you again in future episodes. So this is sort of a continuing series on nutrients, key nutrients for specific doctors practices, but it’s important that you know these things. So thanks for listening and Jerry Hickey signing off.† [00:16:41]

Immune System, Part 4: Diet and Supplements – InVite Health Podcast, Episode 494

Immune System, Part 4: Diet and Supplements – InVite Health Podcast, Episode 494

In this episode of the InVite Health Podcast, Amanda Williams, MPH concludes her series on the workings of the immune system. Learn about the important role nutrients such as Vitamin A, Vitamin E and mushroom extract play in your immune defenses.

Immune System, Part 1: The Basics – InVite Health Podcast, Episode 491

Immune System, Part 1: The Basics – InVite Health Podcast, Episode 491

In the face of the COVID-19 pandemic, immunity has been on everyone’s mind. But how much do you know about the immune system? Learn about the basics of how your body defends itself from pathogens and invaders in this episode of the InVite Health Podcast.

Levothyroxine, a Thyroid Drug, and Its Interactions with Nutrition – InVite Health Podcast, Episode 486

Levothyroxine, a Thyroid Drug, and Its Interactions with Nutrition – InVite Health Podcast, Episode 486

thyroid

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Please see below for a complete transcript of this episode.

Levothyroxine, a Thyroid Drug, and Its Interactions with Nutrition – InVite Health Podcast, Episode 486

Hosted by Jerry Hickey, Ph.

*Intro music*

InVite Health Podcast Intro: Welcome to the InVite Health Podcast, where our degreed healthcare professionals are excited to offer you the most important health and wellness information you need to make informed choices about your health. You can learn more about the products discussed in each of these episodes and all that InVite Health has to offer at www.invitehealth.com/podcast. First time customers can use promo code PODCAST at checkout for an additional 15% off your first purchase. Let’s get started!

*Intro music*

Jerry Hickey, Ph.: Your thyroid is a gland that releases thyroid hormones and when it’s not working well, which is pretty common… When it under functions, which is called hypothyroidism, you could feel very fatigued. It might be hard to focus. You pretty much feel miserable. So where is your thyroid gland and what does it do? A gland releases hormones. Hormones are kind of messengers that travel throughout the entire body, and they knock on the door of every cell and the cells that need it allow it to come in. So your thyroid affects literally every cell in the body. It stores and releases several thyroid hormones and conditions that affect the thyroid are very common, especially under function. But more on these thyroid hormones later, I’ll explain what they do.†

Now, the thyroid hormones in general are essential for the function of every cell in your body. They help regulate growth, including muscle development. For children, they need it for growth, and they need it for brain function. They’re needed for the rate of all the chemical reactions that take place in your body every second, all those tens of thousands of reactions. That’s called metabolism. Now your thyroid hormone’s needed for brain function. So if the levels are low, that leads to feelings of stress or anxiety or even depression. Commonly, these people experience brain fatigue. That could be accompanied by nervousness and brain fog, or even an inability to concentrate and carry on a good conversation. If it’s really advanced, low thyroid function, which is called hypothyroidism, I’ll repeat that a couple of times throughout the conversation here. Thyroid hormones affect our heart rate. In fact, sometimes when you got a prescription drug of thyroid hormone that could make your heart race like levothyroxine, which is also called Synthroid. So it’s always good when you first get a thyroid hormone to underestimate the dose, to start at a lower dose than the doctor thinks you need and this way, you don’t get side effects and the body can kind of adapt to the thyroid hormone.†

So people with an overactive thyroid, which is not very common, that’s called hyperthyroid, overactive thyroid. Their heart races, they burn all the fat in their body. They burn all their muscle, they lose bone. They’re very anxious and nervous. They’re very overactive. Their eyes can bulge out. That’s called ophthalmos. Too much thyroid hormone, like I said, can make your heart race, but it can also affect your blood pressure. Now it does affect your, your body temperature. So if you’re low in thyroid hormone, you could feel really cold in the winter. Thyroid hormone’s very important for metabolism, a major part of metabolism is converting food into energy. So if your thyroid is under functioning, you can feel really fatigued.†

HOW VITAMIN A BENEFITS IMMUNITY AND VISION – INVITE HEALTH PODCAST, EPISODE 197. Listen Now>>

So where’s it located? It’s located in the lower part of your neck. So in a man, it would be just below the Adam’s apple. It wraps around your trachea. Your trachea is the pipe from your nose and mouth to your lungs, so it’s called your windpipe. The thyroid wraps around the trachea. It kind of has a butterfly shape, so it has two wings, one on each side of the trachea, they’re called lobes, and they’re attached in the middle part by something called an isthmus.†

So today we’re going to discuss Synthroid. It’s also known as levothyroxine or T4. This drug is very commonly prescribed. It’s always among the top five prescribed drugs in the United States and worldwide. Millions and millions and millions and millions and millions of people are on it. They use it for treating hypothyroidism. So hi, my name is Jerry Hickey. I’m a nutritional pharmacist. I’m also the Senior Scientific Officer over here at InViteⓇ Health and welcome to my episode: Levothyroxine, a Thyroid Drug, and Its Interaction with Nutrition. Thanks for tuning into today’s InViteⓇ Health Podcast episode. You can find all of these episodes for free wherever you listen to a podcast, or just visit invitehealth.com/podcast. Please subscribe and leave us a review. You can also follow us on Facebook (I think that’s called Metaverse today), Twitter, Instagram @invitehealth, and the information on this episode is linked at the episode description, so I really want to get going here.†

Well over 30 million people suffer from a thyroid condition called hypothyroidism. That’s in the United States. It’s under functioning of your thyroid gland. So it happens when your thyroid doesn’t produce enough thyroid hormone. It’s pretty common and it becomes more common with age. It leads to a slowing down of metabolism. You get fatigued, brain fog, dry skin, weight gain, problems with the heart, inflammation, elevated cholesterol, digestive tract issues, nervousness and more. I mean, it’s very common for people to have some depression, moodiness, forgetfulness, poor concentration. Some people get goiter. The thyroid in the neck enlarges and they have like a swollen thing in their neck. They can develop brittle nails, brittle hair. In fact, they can suffer with hair loss. Their face gets puffy. They can have a slowed down heart rate because you need thyroid hormones for the rate of your heartbeat. They can have problems like diarrhea and constipation. Their cholesterol goes up. The good cholesterol goes down and the bad cholesterol goes up. It can affect fertility. It can affect women’s menstrual cycles if they’re younger. But you have a loss of energy, persistent fatigue, cold sensitivity, like it’s cold outside, you really feel it. Your joints can ache. You can have muscle cramps and stiffness. A lot of stuff. Dry, itchy skin. Just a lot of things. †

So a lot of people think metabolism is just how fast they burn calories, because that’s, you know, that’s what the weight loss companies tell you. Metabolism. It’s all about burning calories. No, no. That’s a vast oversimplification of the term. Metabolism is sustaining your life. It’s a life-sustaining process. It involves all of the different chemical reactions that take place in your cells every second. Tens of thousands of them are going on right now. So it maintains your ability to live. So death is a lack of metabolism. I mean, that’s really the definition of death. So thyroid is needed for metabolism.†

Now, the number one thyroid drug is called Synthroid, but it’s widely available as a generic, which is called levothyroxine, which is T4. So let me tell you the various thyroid hormones. Your thyroid generally releases two hormones: T4, which is the levothyroxine also called Synthroid, and T3, and it releases mostly T4 with a little T3. The thing is, T4 is not that active. It’s really the T3 that does the job. So you get a little T3 so you have instant energy and instant metabolism and slowly but surely, the T4 is converted into the active form in like your liver and your muscles, etc. So T4 is supposed to convert to T3, and then it works. When you get Synthroid (levothyroxine), it’s only T4. That doesn’t work in everybody. Some people have trouble converting that to T3. They could get a second hormone called Cytomel, which is also called liothyronine. You get a low dose of that. That’s actually active T3. You see that more in people with Celtic background and Irish backgrounds, where they have an inability to convert T4 to T3 adequately, so they seem to have a little bit of ADHD kind of thing going on. So they actually… they actually might do a lot better with a different thyroid called Armour Thyroid, which is a natural thyroid. It’s a prescription, but you get the thyroid combination released from your own thyroid. You get the T4 and T3, so a lot of people do better on the Armour Thyroid than they do on the levothyroxine.†

There’s another hormone called TSH, and that’s very useful for diagnosing problems with the thyroid. So normally there’s a certain amount of T3 and T4 in your blood. There’s like a normal range, and when there’s not enough, the brain makes note of this and it releases TSH to push the thyroid to work harder. So you really shouldn’t see much TSH in the blood. So even if your level is high, but it’s on the high end of normal, excuse me. But even if your level of TSH is normal, let’s say again, even if your TSH is normal, but it’s kind of like in the high end of normal, that might be an indication that you have a sluggish thyroid. So TSH is released from the brain when the thyroid is not producing adequate amounts of thyroid hormones, so it’s really pushing the thyroid to work. It stands for thyroid stimulating hormone. So when you see low levels, that means the thyroid is probably over functioning and when you see high levels, that means the thyroid is under functioning.†

Now, when you take Synthroid, levothyroxine, T4, they’re all the same thing, it lasts all day long. It has a very long half-life. You have to take it away from everything. So I told people who take it like, take it a couple of hours before your breakfast, take it a couple of hours before your multivitamin. You don’t want to take any minerals with it because thyroid hormone is essentially made out of an amino acid that comes out of a protein called tyrosine and iodine. And if you get a lot of minerals, like divalent minerals like potassium, magnesium, calcium, etc., they’re going to attach to the thyroid hormone. They’re going to attach to the iodine and the drug won’t work. So that’s why we don’t like you to take anything when you’re taking thyroid hormone, we like you to wait a couple of hours. Now you have to avoid these almost universally.†

So this is important: If you’re on thyroid medication, you have to avoid these things. Seaweed. Seaweed is loaded with iodine. There’s been reports for many years of people with normal thyroid function, snacking on chips made out of seaweed, who develop an overactive thyroid. So you don’t want to have the seaweed chips if you’re on a thyroid medication. And even if you have normal thyroid function, you don’t want to overdo seaweed. Now, another name for seaweed is bladderwrack, so you want to stay away from bladderwrack. You’ll be getting too much iodine. And you don’t want to take kelp because that’s also iodine. But here’s the thing. Part of your thyroid is still working, so it still needs to be nourished. So you do want to get some iodine. We’ll address that in a minute.†

So if you’re on a thyroid medication, you really want to avoid the next two herbs. Ashwagandha root. Everybody is going crazy today with ashwagandha. Ashwagandha increases thyroid function. If you’re on thyroid medication, that could be potentially dangerous but also Coleus forskohlii. That’s another herb that affects the thyroid. So if you’re on thyroid medication, you don’t want to have seaweed. You don’t want to have Coleus forskholii. You don’t want to have ashwagandha root. You don’t want to have a lot of iodine. You also don’t want to take your thyroid with food or with other supplements. You want to take it at least two hours before.†

Now, we all still need some iodine, even if we’re on thyroid medication. See, I always tell people, think of the thyroid as an apple pie with different slices and people with an under functioning thyroid, they still have some of that pie. They still have some slices. They’re just missing some slices. So they give you the amount of thyroid appropriate to make out for the percentage of thyroid functioning you’re lacking. So they’re not replacing your entire thyroid hormone release. You’re still releasing some thyroid hormone unless you’ve had your thyroid surgically removed or destroyed by radioactive iodine. So you still need some iodine, but get it from your multivitamin, typically they give enough iodine for people that it won’t interact with their thyroid medication.†

ALARMING FINDINGS ON NUTRIENT DEFICIENCIES – INVITE HEALTH PODCAST, EPISODE 303. Listen Now>>

Now let me give you another tip. If you’re put on levothyroxine and it’s making your heart race, tell the doctor because they should lower the dosage, but take a supplement called L-carnitine. Everybody thinks L-carnitine increases energy. It’s a lot more complex than that. L-carnitine is an energy regulator, so if you’re fatigued, it brings up your energy. But if you’re hyperactive or your metabolism is racing, it brings down your energy. So if you took too much levothyroxine and your heart’s racing and you feel all nervous and all, and this becomes a problem, you might want to try some L-carnitine. Now, even though you’re on thyroid medication, the remaining part of your still-functioning thyroid needs to be nourished, so you do need some iodine. About 150 micrograms a day is plenty.

You still need selenium. Selenium converts T4 to T3. So if you’re taking Synthroid, levothyroxine, it’s T4, you need to be able to convert it to T3 for it to function. The body requires selenium to accomplish that. But the body also requires zinc and Vitamin A to accomplish that. So a lot of these things could be found in a multivitamin, the iodine, the selenium, the zinc, the Vitamin A. So T4 is not very active, that’s the Synthroid, the levothyroxine prescription. You have to change that into T3 for it to work. It’s much more active. You require selenium, zinc and Vitamin A to achieve that. You also should use some Vitamin D because Vitamin D helps prevent your thyroid from becoming further inflamed. You need some iron. Iron blocks reverse T3. Reverse T3… If the doctor looks in your blood, your thyroid hormone levels might be normal, but if you have a lot of reverse T3, that’s blocking the thyroid hormones from working. So if you have sufficient iron in your blood, that blocks reverse T3 and it allows your thyroid hormones to work.†

You need protein to get tyrosine to make thyroid hormone. That’s how it works. It’s attached to iodine. So T4, which is levothyroxine, which is Synthroid, is a chain of four molecules of iodine attached to tyrosine. For it to become active, it has to become T3, which is a chain of three molecules of iodine attached to tyrosine. So you need to eat some protein to get the tyrosine. You also need B-vitamins. There’s eight B-vitamins because you need them to utilize the energy that the thyroid hormone is going to release properly.†

So I hope I’ve been some help here. Nutrition is important for your thyroid, even if you’re on thyroid hormone because there is some thyroid function remaining and that has to be nourished. I want to thank you for listening to today’s episode. You could find all of our episodes for free wherever you listen or just visit invitehealth.com/podcast. Please subscribe and leave us a review. You can also follow us on Facebook, Twitter and Instagram @invitehealth. I hope to see you next time on another episode of the InViteⓇ Health Podcast, and thank you so much for listening. Jerry Hickey signing off. †

*Exit music*