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Mastering Nutrition

Hi, I'm Chris Masterjohn and I have a PhD in Nutritional Sciences. I am an entrepreneur in all things fitness, health, and nutrition. In this show I combine my scientific expertise with my out-of-the-box thinking to translate complex science into new, practical ideas that you can use to help yourself on your journey to vibrant health. This show will allow you to master the science of nutrition and apply it to your own life like a pro.
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Mastering Nutrition
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Now displaying: Category: fitness & nutrition
Sep 20, 2018

When I was in Greece this August, I didn’t have any allergies at first, but then they started acting up, and they kept getting worse throughout my trip. I thought it was from the local environment, but when I woke up with conjunctivitis in the last week I looked back and realized my diet had been very deficient in vitamin A while I was there. Vitamin A deficiency can be an important cause of allergies, and if you suffer from allergies you should consider your vitamin A status.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

This episode is brought to you by Ancestral Supplements. Our Native American ancestors believed that eating the organs from a healthy animal would support the health of the corresponding organ of the individual. Ancestral Supplements has a nose-to-tail product line of grass-fed liver, organs, bone marrow and more... in the convenience of a capsule. For more information or to buy any of their products, go to ancestralsupplements.com.

Sep 18, 2018

Many people have asked me what I think about blood tests for food allergies. In this episode, I explain.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

This episode is brought to you by Ancestral Supplements. Our Native American ancestors believed that eating the organs from a healthy animal would support the health of the corresponding organ of the individual. Ancestral Supplements has a nose-to-tail product line of grass-fed liver, organs, bone marrow and more... in the convenience of a capsule. For more information or to buy any of their products, go to ancestralsupplements.com.

Sep 13, 2018

If you suffer from allergies, you may need to remove fermented, aged, and cured foods from your diet. While the ultimate solution should be to make yourself more resilient to both pollen and these foods, lowering the amount of histamine in your “histamine bucket” may provide needed relief in the short-term.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

This episode is brought to you by Ancestral Supplements. Our Native American ancestors believed that eating the organs from a healthy animal would support the health of the corresponding organ of the individual. Ancestral Supplements has a nose-to-tail product line of grass-fed liver, organs, bone marrow and more... in the convenience of a capsule. For more information or to buy any of their products, go to ancestralsupplements.com.

Sep 11, 2018

In the past I have recommended measuring your waist circumference in addition to your scale weight when you are trying to lose weight or gain muscle. This is an easy way to gauge how much of your change in weight is fat versus muscle.

 

But sometimes it just doesn’t give you good information. Waist circumference is influenced not just by abdominal fat but also by the amount of undigested food in the stomach, and by retention of water and gas from hormones, inflammation, and digestive distress. This episode is about how to tell when you should and shouldn’t be measuring your waist circumference.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

This episode is brought to you by Ancestral Supplements. Our Native American ancestors believed that eating the organs from a healthy animal would support the health of the corresponding organ of the individual. Ancestral Supplements has a nose-to-tail product line of grass-fed liver, organs, bone marrow and more... in the convenience of a capsule. For more information or to buy any of their products, go to ancestralsupplements.com.

Sep 6, 2018

It may seem that people at risk of iron overload should manage it by avoiding iron-rich foods, but in most cases this is a bad idea. Iron-rich foods are rich in many other nutrients, like copper, zinc, vitamin A, and vitamin B12. Chelators like phytate can induce deficiencies of other minerals, like zinc. In this video, I explain why dietary management should be a last resort for iron overload.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Sep 4, 2018

A lot of people seem to think that they should avoid iron-rich foods, even if they have no reason to believe they have a genetic predisposition to iron overload. In this video, I show you why this is ridiculous. I *do* have a genetic predisposition to iron overload, and I consume over 5 times the daily value for iron, including 10 ounces of red meat, and my iron status is kept on the low end of the physiologically healthy range by donating blood about once a year. Watch the video to see the numbers!

In the video, I reference this previous episode on looking up your genetics for iron overload: https://chrismasterjohnphd.com/2017/03/22/know-youre-risk-iron-overload/

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

 

Aug 30, 2018

In this episode, I break down an iron panel and explain why it’s important to also measure serum ferritin and transferrin, and when you should use transferrin saturation instead of iron saturation as a marker of your short-term iron status.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 28, 2018

Thiamin, or vitamin B1, is needed for energy metabolism but is especially important to carbohydrate metabolism. Its deficiency causes severe neurological problems, but moderate deficits may manifest more mildly as poor carbohydrate tolerance. Carnivores and vegans alike can get plenty of thiamin if they eat the right foods, but a diet based mainly on fat, or on refined foods that have not been fortified with thiamin, can cause deficiency. Nevertheless, thiamin is unusual in that most factors contributing to deficiency are not dietary, and many are actually environmental. In this video, I teach you how to assess your thiamin status and fix it if you have a problem.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 23, 2018

Magnesium is needed for literally everything in the body. When you don’t have enough, the most common problems are twitching, muscle cramps or spasms, heart palpitations, and weakness, plus other signs and symptoms discussed in the video. In this episode, I teach you how to look for its deficiency, how to use three different lab measurements to monitor your magnesium status, and how to fix a problem if you find one.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 21, 2018

Taking creatine can raise your serum creatinine and give the false impression your kidney function is declining. Here is how to avoid this problem.

 

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 16, 2018

Dry eyes? Poor night vision? Get sick often? Bumpy or flaky skin? You may need more vitamin A. In this video, I tell you how to figure that out, and what to do about it.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 14, 2018

Only 2% of Americans meet the official recommendations for potassium, yet potassium supplements carry risks that has led the FDA to strictly regulate the amount in one serving to be so small you would need to take 50 pills a day to meet the requirement. Here are my recommendations for using potassium citrate powder in a way that protects you from the risks and allows you to get the benefits of much larger amounts than found in the typical pills.

The potassium citrate powder discussed in the video can be found at https://chrismasterjohnphd.com/potassium. If you use my affiliate link, I will earn a small commission at no extra cost to you.

Please make sure to watch the video for proper use of the supplement and clear the decision with your doctor in case you have any conditions or are on any medications that impair your ability to handle potassium supplements.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 9, 2018

Calcium supplementation is controversial. Some people believe that supplements, but not calcium-rich foods, can increase the risk of heart disease. Here are my recommendations for calcium supplementation to make it as close to eating whole foods as possible.

The bone meal powder I use can be found at chrismasterjohnphd.com/calcium. If you use my affiliate link, I will earn a small commission at no extra cost to you.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 7, 2018

Do we really need to be taking fish oil?

For most people, it is better to use fish or pasture-raised egg yolks to get omega-3s. But there are specific reasons to use cod liver oil, fish oil, or krill oil. More details in the video!

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Aug 2, 2018

How do you put on muscle without risking gaining fat? You need the right workout, enough protein, and a gentle caloric surplus. Watch the video for more details!

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jul 31, 2018

Here are seven ways to keep your blood sugar in control: vinegar; glycine, proper balance and eating order within your meals, walking after your meal, putting your carbs after exercise, managing your glycemic load per meal, and focusing on meals that have a low glycemic index for you personally.

The video covers these recommendations in more detail.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jul 26, 2018

Are you using niacin or nicotinamide riboside? If so, watch this video! These supplements can help you age more gracefully and give you more energy, but they can also hurt your liver, mess with your neurotransmitters and your mood, and even sap your energy.

In this video I discuss using a powder for better control over the dose, and how to match your niacin dose to a corresponding dose of trimethylglycine (TMG).

The nicotinamide riboside powder can be found at hpnsupplements.com.

The TMG can be found at https://chrismasterjohnphd.com/tmg.

If you use my affiliate link for the TMG, I will get a small commission at no extra cost to you, which will help support the free work

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jul 24, 2018

One of the most powerful things you can do to evaluate whether your nutrition is on point is to track your vitamin and mineral status for a few days that are representative of your diet. Here’s how to do it with Cronometer, with specific recommendations for making it representative and accurate, and avoiding errors in data collection. Plus, you get to see my results for a day!

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jul 19, 2018

In this video, I give you three different ways to get enough potassium. The first focuses on eating a lots of fruits and vegetables. The second focuses on a diet low in fat, moderate in grains, and devoid of refined foods. The third focuses on selecting vegetables with the highest amount of potassium per net carb for use in high-fat, low-carbohydrate or ketogenic diets.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jul 17, 2018

In this video, I give you three different ways to get enough potassium. The first focuses on eating a lots of fruits and vegetables. The second focuses on a diet low in fat, moderate in grains, and devoid of refined foods. The third focuses on selecting vegetables with the highest amount of potassium per net carb for use in high-fat, low-carbohydrate or ketogenic diets.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off.

Jun 14, 2018

If you have negative reactions to MSG, slowly cooked protein, pressure cooked protein, or fermented foods, you might have glutamate sensitivity. If you have a neurological or psychiatric condition (anxiety, sleep disorders, epilepsy are all examples), you might have glutamate dominance.

In a previous episode, I discussed the possibility that oxaloacetate supplementation could help. In this episode, I discuss five more things to try: GABA, glycine, vitamin B6, magnesium, and electrolytes (salt and potassium-rich foods).

Here is the older episode on oxaloacetate: https://chrismasterjohnphd.com/2017/05/11/oxaloacetate-supplements-help-glutamate-sensitivity/

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet

Jun 12, 2018

If you’re trying to get better sleep, should you be upping your carbs, or going keto?

Paradoxically, both of these strategies can help, but for different reasons. In this episode I cover why they can help, how to pick your strategy, and some ways you can gain some more freedom over which strategy to choose.

In this episode I mention the sleep recommendations that I put out last year. They can be found here: https://chrismasterjohnphd.com/sleep

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet

Jun 7, 2018

When you want to lose weight, you really want to lose fat, right? You’re not trying to turn into a wimpy twig with no muscle mass, are you?

If so, it’s important to design your weight loss strategy in a way that protects your muscle mass. If you don’t, your weight loss could be as much as half lean mass, and that’s not what you want.

The two most important strategies are the right type of exercise program and consuming enough protein. Avoiding weight loss that’s too rapid is another strategy that can help. In this episode, I provide the details about how to implement these strategies in the right way.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet

Jun 5, 2018

Are you struggling to lose weight? Feel like you don’t have the willpower to make it happen?

Your emotional relationship with food and your environment could be hampering your ability to succeed. Knowing whether you are a moderator or a sustainer, knowing which of the “four tendencies” determine your relationship to inner and outer expectations, and identifying the emotional and psychological needs that you are meeting with food can all help you design a weight loss program that properly addresses your emotions and environment.

In this episode I discuss two quizzes made by Gretchen Rubin:

Moderator versus abstainer (more an article than a quiz: https://gretchenrubin.com/2012/05/quiz-are-you-an-abstainer-or-a-moderator/)

The Four Tendencies https://www.surveygizmo.com/s3/4232520/gretchenrubinfourtendenciesquiz

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet

May 31, 2018

Why should you bother spending time tracking calories or eating something so monotonous as “The Robot Diet” when there are plenty of dietary approaches out there that allow a variety of delicious foods, don’t require time spent tracking calories, and work for so many people?

These approaches are “the low-hanging fruit of weight loss.” Is there low-hanging fruit available to you? How do you know when you’ve picked it all? That’s what I answer in this episode.

This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet

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