Q&A

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: Why would glutathione cause a headache? Probably sulfur intolerance. I’m guessing that’s conversion to sulfite in the gut or something like that. Or production of hydrogen sulfide …

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: Why is methylfolate the off-switch for the glycine buffer system? The reason is that generally in the fed state, you have lots of incoming methionine. And so …

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: Can a high-protein diet hurt nitric oxide and raise blood pressure? The people with OTC gene do have higher blood pressure because of lower nitric oxide. And …

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: General supplement recommendations for a physically active male in his 30s  I don’t make general supplement recommendations. My recommendation for anyone would be do a dietary analysis. …

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: For how long does methionine from a meal support methylation? What I can say much more easily is that methionine is going to effectively run out as …

Please consider supporting my work by making a purchase using these links at one of my affiliates: https://chrismasterjohnphd.com/foursigmatic, https://chrismasterjohnphd.com/paleovalley, https://chrismasterjohnphd.com/seekinghealth, https://chrismasterjohnphd.com/ancestralsupplements, https://chrismasterjohnphd.com/magicspoon, https://chrismasterjohnphd.com/lmnt  Plenty more at https://chrismasterjohnphd.com/support! Question: Could collagen hurt absorption of iron from iron bisglycinate? Yes, because the iron bisglycinate is probably going to be absorbed through glycine transporters rather than iron transporters.If …