Search Chris Masterjohn's Archive
Every thread, article and publication Chris Masterjohn has here, searchable by title or by the words inside.
Showing 30 of 149 items in this Archive
- ThreadSep 13, 2026Thread on SSRIs, Serotonin, and Fetal Movement Study Findings
Discussion of 2024 observational study examining platelet serotonin levels and fetal movement patterns
- ThreadSep 11, 2026Chris Masterjohn on Alcohol and Cancer Risk Research
A thread discussing alcohol consumption levels and their association with various cancer types.
- ThreadSep 11, 2026Chris Masterjohn on Xylitol Research and Causation vs. Correlation
A critique of research terminology and discussion of xylitol metabolism and personal testing approach.
- ThreadAug 19, 2026Thread Discussing Tamiflu Study Results in Critically Ill Patients
Chris Masterjohn shares observations on a clinical trial comparing antiviral treatment outcomes
- ArticleAug 19, 2026Vitamin D is Synthesized From Cholesterol and Found in Cholesterol-Rich Foods
May 25, 2006
- ArticleAug 19, 2026JUPITER Trial Emphasizes the Role of Oxidative Degeneration in Atherosclerosis
by Chris Masterjohn
- ArticleAug 19, 2026Tufts University Confirms That Vitamin A Protects Against Vitamin D Toxicity by Curbing Excess Production of Vitamin K-Dependent Proteins
Tufts University confirmed my hypothesis that vitamin A protects against vitamin D's induction of renal calcification (kidney stones) by normalizing the production of vitamin K-dependent proteins in December, 2008, without citing my hypothesis or telling me they had confirmed it.
- ArticleAug 19, 2026Is Insulin Resistance Really Making Us Fat?
Disclaimer: I love and respect many low-carbers and low-carb researchers, and think low-carb diets are very appropriate and perhaps necessary for many people.
- ArticleAug 19, 2026What Can Modern Toxicology Tell Us About Food Toxins and Food Intolerances?
“The dose makes the poison.” — Paracelsus (1493-1541)
- ArticleAug 19, 2026How a Study Can Show Something to Be True When It’s Completely False — Regression to the Mean
In a previous post, “The Great Unknown: Using the Statistics to Explore the Secret Depths of Unpublished Research,” I discussed one way a study can show something to be true when it's false, or vice versa.
- ArticleAug 19, 2026My New Wise Traditions Article on Nonalcoholic Fatty Liver Disease
I have a new article on nonalcoholic fatty liver disease appearing in the outgoing issue of Wise Traditions, and the online version just went up on the web site:
- ArticleAug 19, 2026My New Article on Nutrient Synergy is Up on WestonAPrice.Org
My new article from the Fall, 2012 issue of Wise Traditions, the quarterly journal of the Weston A.
- ArticleAug 19, 2026The Many Forms of Vitamin K
The names “vitamin K1” and “vitamin K2” are artifacts of history (Suttie, 2014).
- ArticleAug 19, 2026Vitamin K Absorption and Fat: A Closer Look
Dietary fat is important for the absorption of all fat-soluble vitamins partly because it helps dissolve the vitamins and partly because it helps stimulate the machinery involved in fat digestion, such as bile acids and lipases.
- ArticleAug 19, 2026Why I Finally Decided on the Aquacera Countertop SS Water Filter
At long last, I finally decided on a water filter.
- ArticleAug 19, 2026Start Here for Vitamin K2
For my writings on vitamin K, start with the ultimate vitamin K2 resource:
- ArticleAug 19, 2026Updates to the Ultimate Vitamin K2 Resource
In response to reader feedback and my own experience using The Ultimate Vitamin K2 Resource, I made several updates, including making the second infographic easier to read, improvements to the performance of the page, additions and improvements to the searchable database, and
- ArticleAug 19, 2026Why I Just Switched My Water Filter to the Berkey
Last year, I wrote a post about why I chose the Aquacera Countertop SS as my water filter.
- ArticleAug 19, 2026Why You Need Glycine: A Panel Discussion
This episode is a panel discussion between Dr. Chris Masterjohn, Alex Leaf of Examine.Com, and Vladimir Heiskanen, covering everything you need to know about glycine.
- ArticleAug 19, 2026Repeat After Me: The Liver Is Not a Filter!
Please join me in a global campaign to correct the misunderstanding that the liver “filters” toxins.
- ArticleAug 19, 2026How Much Choline Should I Eat? The Genetic Calculator
The Masterjohn Genetic Choline Calculator is a free tool you can use to turn your raw data file from Ancestry or 23andMe into a precise recommendation of how much choline you should aim to get from food! Click here to start using it: The Masterjohn Genetic Choline Calculator
- ArticleAug 19, 2026If You Lose Your Sense of Smell or Taste, What Are the Chances You Have COVID-19?
If you lose your sense of smell, what are the chances you have COVID-19?
- ArticleAug 19, 2026Do Glutathione Supplements Work?
In response to yesterday's update about glutathione and COVID-19, a number of questions came in on social media about whether glutathione can be absorbed intact, whether supplements need to be liposomal, and whether N-acetyl-cysteine (NAC) would be just as effective or even better.
- ArticleAug 19, 2026“Leaky Blood Vessels” May Underlie Clotting in COVID-19
Hypertension, diabetes, and obesity are all strongly related to the severity of COVID-19 outcomes.
- ArticleAug 19, 2026COVID-19 Specifically Targets Sweet Tastes
In a preprint* released today, Polish researchers uncovered more specific aspects of the taste disorder caused by COVID-19, showing it especially blunts the perception of sweetness at low concentrations of sugar.
- ArticleAug 19, 2026Vitamin D and COVID-19: The Current State of the Evidence
Note: You can watch my presentation based on this research from the 2021 Ancestral Health Symposium here, watch a much longer video that covers missing slides and answers questions about the talk here, download a PDF of my slides here, and see a short list of minor corrections to the presentation in
- ArticleAug 19, 2026How I Lost My "COVID Weight"
Unlike Drew Manning, I didn't gain weight in 2020 on purpose.