However, as with any treatment, there may be minor side effects like nausea or dizziness, but these are usually temporary
A low serum B12 level is the main clue, but it doesn't tell you why it's low
Inside the gray market: how peptides are sold, regulated, and why testing cannot guarantee safety [1:26:45]
This is probably explained by the fact that S-adenosylmethionine (SAM), which is important for many epigenetic processes, is regenerated by methylcobalamin, whereas cyanocobalamin reduces it (as we explored above)
Behary P, Alessimii H, Miras AD, Tharakan G, Alexiadou K, Aldhwayan MM