Abstract Summary Objective To identify the biochemical and genetic mechanisms underlying the biphasic "feel good then crash" response observed in individuals supplementing with L-methylfolate (5-MTHF). Context Methylfolate is the only folate metabolite that crosses the blood-brain barrier, playing a central...
Abstract Summary Objective To evaluate the side effects and safety profile of methylcobalamin (methyl B12) supplementation across different routes of administration, dosage levels, and patient populations, based on available clinical and pharmacological evidence. Context Methylcobalamin is the biologically active form...