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 …
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 …
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 …
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 …
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 …
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 …
Short Answer: To get adequate raw material for melatonin synthesis in the brain, carbs can come any time of day and are best if high-glycemic. To suppress brain histamine levels, carbs in the evening, with low protein and relatively low fat, is best. From among protein, collagen is best at night for the glycine. Watch …
Short Answer: It requires more frequent dosing and has some risk of hypercalcemia, and it would be best to make sure you have adequate D and magnesium and aren’t overdoing anything that could deplete D, such as other fat-soluble vitamins, first. Watch the video or listen to the podcast with the links below. You can …
Short Answer: B6 cannot be ruled out, though inflammation and estrogen could also be involved. While it is possibly a regulated means of increasing excitatory effects of quinolinate, it makes sense to assume it may respond to B6. Watch the video or listen to the podcast with the links below. You can obtain a full …
Short Answer: While it is unclear, it could relate to vitamin K depletion, hypercalcemia, or compensation in acid-base balance. First and foremost, use the full testing algorithm in Testing Nutritional Status: The Ultimate Cheat Sheet (available at https://chrismasterjohnphd.com/cheatsheet) rather than just testing 25(OH)D to determine deficiency. Watch the video or listen to the podcast with …