Mastering Nutrition

Question: Why zinc deficiency causes resistance to thyroid and sex hormones and vitamins A and DThe answer to that is because the, because all of those things carry out their gene expression function by binding to nuclear receptors. And all of the nuclear receptors to DNA using zinc finger motifs. Zinc finger motif means that in the nuclear receptor, there's a zinc ion that coordinates the primary structure of the protein, which is a long string of amino acids into a finger shape.If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: Which nutrients do we need every single day? I would say that the top ones to be concerned about from a have-to-get-it-today perspective would be zinc and B12. And both of those have absorption caps that are fairly tight, but B12 is the number one concern.You want to pay decent attention to the zinc rule, and you do want to make sure that your B vitamins are getting in on most of those other B vitamins you could probably, as long as you're hitting the daily average on the weekly basis, that's good.If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: What nutrients does a collegiate swimmer need to look out for?Mainly calories would be absolute number one. Number two would be carbohydrate. So I do think that people can fuel athletic capabilities on low-carb diets, but you might want to look at stress hormones and sex hormones, because sometimes fueling athletic performance on a low-carb diet comes at the expense of elevated stress hormones, which could mess with thyroid hormones and sex hormones. I think those two things, the calories and carbs would be the top risk for potential hypothalamic amenorrhea. That would trump everything else, completely. Higher energy demands are going to demand more B vitamins. And that's generally going to be probably most B-vitamins besides B12 and folate. Although B-12 and folate are peripherally involved in energy metabolism, the other B vitamins are more directly involved.If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: Is extended fasting the best choice for weight loss when low-carb doesn’t work?If someone's on low-carb diet, they're not losing weight, they're not sustaining the caloric deficit at food intake that's satisfying them. So I would try helping the protein and doing something maybe cyclical keto on top of that before I would do an extended fast.If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: MK-4 vs MK-7: Vitamin K2 Showdown My default here is that a healthy diet would always have a mix of all of them. And although it's hard to justify a reason for having K1 specifically if you also have MK-7, the justification for having MK-4 is somewhat speculative. I wouldn't say speculative, but it's at kind of the theoretical level. So basically, MK-4 is not very good at supporting blood clotting, but MK-7 and K1 are. And we know that from human trials. And so we can at least say, you shouldn't only get MK-4, because it's not very good at supporting blood clotting. As default, get your K1 from veggies and then try to get a mix of MK-4 and MK-7, that totals up to 2-400 micrograms per day for the people who are just talking about one to 200 micrograms for general people, that can come from food if you eat those foods and supplement if you don't. If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life.  From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book.You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: How should someone balance a vitamin D of 80 ng/mL with other nutrients?Let's say the idea is to maintain someone on a lifelong level of 80 nanograms per milliliter. Maybe four times the first year, two times the second year, once the third year and then every few years thereafter, I would measure the urinary calcium and make sure that that level is not associated with hypercalciuria in that person. Because if it is, I think you're putting that person at an increased risk of kidney stones if nothing else. And then I would say that person wants to get at least 200 micrograms of vitamin K2. My default would be to say 10,000 IU of vitamin A, just off of the fact that I feel like you're basically doubling the normal amount of vitamin D in someone who is 80 nanograms per milliliter. If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: Can MTHFR cause ADHD?So, methylation will reduce the background level of tonic dopamine. And make you more mentally flexible. And a lack of methylation will generally lead to a higher level of background dopamine and make you not as mentally flexible. So, I really don't think that the ADHD is solely a consequence of MTHFR. Low methylation state and glycine wasting is probably playing into some of the aggravating factors, particularly glycine wasting. If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: MTHFR, Depression, Irritability, and AnxietySo, if someone has an MTHFR snip, they don't have enough methylfolate. And so if they're treating it with methylfolate, the methylfolate causes the depression, irritability, and anxiety, then that's one thing. Whereas, if they have the MTHFR snip, they're not doing anything about it and they have depression, irritability, anxiety, that's another thing. So, if they're not doing anything about it and they have those problems, then it's probably from under-methylation. If they're supplementing methylfolate and that's causing the depression, irritability and anxiety, then my guess is that that is a temporary transient over-methylation state. That is a result of the body being adapted to a low methylfolate state and suddenly switching to a high methylfolate state. And I think the key to getting through that is to take small doses of the methylfolate and equilibrate to the lowest dose.This is my "Start Here for Methylation" page I mentioned: https://chrismasterjohnphd.com/blog/2019/03/01/start-here-for-mthfr-and-methylation If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: Why you have to multiply labeled phosphatidylcholine by 15%Yes. If a lecithin product states the phosphatidylcholine content and you want to know the choline content, multiply by 15%. If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.

Question: Is liver OK to eat if raw or if blended in a Vitamix?So, the blending might hurt some really sensitive stuff. There's a lot of glutathione in liver. It might hurt some of the glutathione. I think the majority of the vitamins are going to be okay. And the minerals in general will be fine. And I think it's important to note that, if it makes the difference between whether you eat the liver or not, then it's much more important to eat the liver that you like. My personal choice during times when I've wanted raw liver, my rule has always been that if it's frozen for two weeks or longer, it's safe to eat. And it's also from a clean and trusted source.If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, a private discussion group, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up at https://chrismasterjohnphd.com/masterpass/ and use the code QANDA to get 10% off the membership for life. From now through March, I will be working full-time on finishing my Vitamins and Minerals 101 book, while reserving a portion of my time for consulting clients. You can pre-order my book at https://chrismasterjohnphd.com/book. You can sign up for a consultation at https://chrismasterjohnphd.com/consultations. DISCLAIMER: I have a PhD in Nutritional Sciences and my expertise is in performing and evaluating nutritional research. I am not a medical doctor and nothing herein is medical advice. Access the show notes, transcript, and comments here.