Showing: 121 - 130 of 307 Articles

What are “parent essential oils”? Should we get these instead of cold-water fish oils? Response to Brian Peskin’s theory. | Masterjohn Q&A Files #39

Question: Can you explain what parent essential oils are? I was given some articles that seemed to be saying that high-dose cold-water fish oils are damaging to cell membranes and mitochondrial function. “Parent essential oil” is a term invented by Brian Peskin, who looked at some  data that said it’s not clear that supplementing with …

If ferritin is low but transferrin saturation is high, should I still donate blood?

Question: For someone who is homozygous for the H63D allele of the iron- and hemochromatosis-related HFE gene, if ferritin is low but transferrin saturation is high, should they still donate blood?  H63D is one of the genes that predisposes to hemochromatosis, a condition of iron overload. Most clinicians who work in this area do not …

My Response to Garrett Smith About My Health

Doctor Garrett Smith, ND, a naturopath, recently purported to analyze my health, making inferences from blog posts, pictures, and comments I’ve made on the internet, concluding that I am suffering from vitamin A toxicity. Smith runs a “comprehensive Poison/’Vitamin A’ Detox program” and lists an invitation to contact his office to work with him as …

What do you think of alternative testing like hair mineral analysis or SpectraCell?| Masterjohn Q&A Files #20

Question: “What do you think of alternative testing like hair mineral analysis or SpectraCell?” I’m against SpectraCell on the basis of, it’s not validated. I gave more details in a podcast episode “What Makes a Good Marker of Nutritional Status?” and you can find that at chrismasterjohnphd.com/marker. Hair mineral analysis; I like hair mineral analysis …

Bovine colostrum for those with dairy sensitivities, and what to do about food sensitivities in general | Masterjohn Q&A Files #12

Question, part 1: “Bovine colostrum from New Zealand cows. Yea or nay for those with dairy sensitivities? If nay, what would you recommend instead?”  What is your goal? If you have a dairy sensitivity, your problem could be with casein, with the whey proteins, or with something more specific like certain antibodies. It’s very complicated. …

Concerns about long-term bicarbonate supplementation and other suggestions for raising pH | Masterjohn Q&A Files #07

Concerns about long-term bicarbonate supplementation and other suggestions for raising pH Helen Donnell says, “Your post on urine pH and exercise tolerance was a game-changer for me, but anytime I miss a dose of bicarb, I’m right back to 5. Any long-term concerns with taking bicarb two to three times a day, any suggestions for …

How would you address normal TSH but low T4? | Masterjohn Q&A Files #05

How would you address normal TSH, but low T4? Well, the first thing I’d do is I’d look at your T3. For those of you who aren’t familiar with thyroid hormones, TSH tells your thyroid to make thyroid hormone. T4 is the precursor. T3 is the active hormone.  If your TSH is normal, that means …