Hi, I'm Chris.

I combine my scientific expertise with out-of-the-box thinking to translate complex science into new, practical ideas that you can use to help yourself on your journey toward vibrant health. Welcome!

Chris Masterjohn, PhD

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Learn how to make nutrition science start working for you.

Learn the vitamins and minerals

My FREE 30-Day Vitamins and Minerals 101 Course

This free course is loved by beginners and health professionals alike. Click through to read the 60 testimonials, or follow the link to the >1,700 comments on Facebook, and you will see how much beginners love the simplicity and lack of technical jargon, and how much the health professionals are finding the nuggets they didn't know and the review of what they did know to both be of tremendous professional and personal value.

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This is a great place to start understanding your own nutrient deficiencies and how to correct them.

Katie Wells of wellness mama

Learn How nutrition may impact covid-19 outcomes

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Stay up to date with the research on how nutrition and lifestyle strategies can help protect against COVID-19.

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Free genetic analysis, Searchable Databases

Free Tools

Learn more about how your own genetics impact your nutritional requirements, and determine whether your diet is meeting your needs.

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Thank you SO MUCH Chris!!! This may actually save lives…

Signed “7 year “health oriented vegan” who turns out to need 2x the normal choline requirement, and was not getting close to meeting the normal threshold.

Donna L. Haney, commenting on the choline calculator, “

How to banish any deficiency from your body

Testing Nutritional Status: The Ultimate Cheat Sheet

Everything you need to know about how to manage your nutritional status with lab tests, food, and supplements.

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Written in such a way that both an experienced clinician and a layperson can understand, super, super valuable, and I just keep it open because I refer to it so much.

Chris kresser

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A buyer's club with exclusive and massive discounts on your favorite premium foods and health products, including pasture-raised and wild meat and seafood, supplements, sleep accessories, water filters, phototherapy devices, and much more, with three amazing bonuses that bring you special access to me and my content added in.

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“CMJ Masterpass is a ridiculous value. There's the content you may know about & also the opportunity to ask questions in the AMAs, the transcripts and the amazing discount plan. No brainer. Chris is brilliant on too many levels. Go for it!”

Deb

Build a strategy to bring your health to the next level

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If you would like to work directly with me so I can help you figure out ways to improve your health and wellness, this is where you get started.

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See What's New

If I have a hereditary weakness in breaking down branched-chain amino acids, what cofactors do I need to consider, and do I need to restrict my protein when losing weight? | Masterjohn Q&A Files #317

Question: If I don’t want to hurt my omega 6 status through my omega 3 intake, how do I do that? Is it simply a…

Continue Reading If I have a hereditary weakness in breaking down branched-chain amino acids, what cofactors do I need to consider, and do I need to restrict my protein when losing weight? | Masterjohn Q&A Files #317

Does glucose handling in the brain decline with age? And if so, does this serve as a rationale to supplement with MCT oil to prevent cognitive decline? | Masterjohn Q&A Files #304

Does glucose handling in the brain decline with age? And if so, does this serve as a rationale to supplement with MCT oil to…

Continue Reading Does glucose handling in the brain decline with age? And if so, does this serve as a rationale to supplement with MCT oil to prevent cognitive decline? | Masterjohn Q&A Files #304