581 episodes

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.

Mastering Nutrition Chris Masterjohn, PhD

    • Health & Fitness
    • 4.6 • 349 Ratings

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.

    If glutathione whitens your skin, is that good or bad? | Masterjohn Q&A Files #294

    If glutathione whitens your skin, is that good or bad? | Masterjohn Q&A Files #294

    Short Answer: Measure this against whether it increases your likelihood of burning. If it does, it’s probably a bad thing, but if it doesn’t, or if it lowers your risk of burning, that’s a good thing.
    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 4 min
    Vitamin D supplements, testing, and interactions with the vaccine. | Masterjohn Q&A Files #293

    Vitamin D supplements, testing, and interactions with the vaccine. | Masterjohn Q&A Files #293

    Short Answer: Vaccination shouldn’t change the vitamin D requirement. Quarterly testing makes sense for someone who has never tested before or who wants to make sure they stay in range during COVID, but generally testing yearly around the mid-point of seasonality for you, once you know your variation, is plenty.
    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 6 min
    BH4 vs tyrosine for low neurotransmitters and a high phenylalanine-to-tyrosine ratio. | Masterjohn Q&A Files #292

    BH4 vs tyrosine for low neurotransmitters and a high phenylalanine-to-tyrosine ratio. | Masterjohn Q&A Files #292

    Short Answer: BH4 is expensive and requires very high doses, so if the problem is modest it can much more easily be solved by taking tyrosine.

    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 19 min
    Does TMG have to be taken in the fasting state? | Masterjohn Q&A Files #291

    Does TMG have to be taken in the fasting state? | Masterjohn Q&A Files #291

    Short Answer: While the body will tend to use TMG for methylation in the fasting state, it is normally found in food, so you should be able to absorb it with meals and hold on to it for later use, much as we do with folate.

    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 4 min
    Is urinary mycotoxin testing useful for indoor mold exposure? | Masterjohn Q&A Files #290

    Is urinary mycotoxin testing useful for indoor mold exposure? | Masterjohn Q&A Files #290

    Short Answer: When I had a serious case of indoor mold-induced illness, I tested my urine and my apartment dust for mycotoxins. Both were high, but the classes of toxins were totally different between the two, making me think the mycotoxins in my urine came from food rather than my apartment. Symptoms going away when outside of the apartment was a far more useful clue, so I think you should consider the cost of a vacation, the cost of mycotoxins, and assume you get more information out of taking the vacation, and then decide which to do.

    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 8 min
    Ferritin sky-high without hemochromatosis? | Masterjohn Q&A Files #289

    Ferritin sky-high without hemochromatosis? | Masterjohn Q&A Files #289

    Short Answer: Even if genetics and other bloodwork don’t look like hemochromatosis, sky-high ferritin justifies trying to lower it with blood donation or phlebotomy if inflammation markers are low. If this doesn’t work, oxidative stress should be investigated.
    Watch the video or listen to the podcast with the links below. You can obtain a full transcript of the episode by signing up for the Masterpass at https://chrismasterjohnphd.com/q&a

    Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt 
    Plenty more at https://chrismasterjohnphd.com/support!

    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, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a

    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.

    • 11 min

Customer Reviews

4.6 out of 5
349 Ratings

349 Ratings

Marisa J2 ,

LOVE IT!!!

Chris is awesome, he offers amazing insight and information that is really helpful for listeners!

wilderwanderings ,

Alarmist fear-mongering

Had to unsubscribe. Very healthy dose of fear-mongering and paranoia spreading with regards to vaccines and mandates. Not sure if his sensibility and credibility any longer.

Dazzzz234 ,

Wish it was longer

Chris is soooo smart and I love these topics. I just wish they were longer

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