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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 …

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 …

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 …