Rat studies have noted embryofetal mortality, structural abnormalities, and alterations to growth at maternal exposures below the maximum recommended human dose (MRHD) based on exposure AUC
Related Read: 14 Peptides Are About to Become Legal Again What This Means for Your Health What the science says about peptide stacking as a category 1) Combination trials are the exception, not the rule For many popular peptides, we have: mechanistic arguments small studies (sometimes in narrow contexts) preclinical work We rarely have: well-powered, long-term human trials on the combination hard outcomes (function, cardiometabolic endpoints, durability, safety) 2) Stacking amplifies the two biggest risks in this space Quality risk (variable purity, contamination, labeling issues) Physiology risk (more pathways affected, more unintended effects) 3) The GH/IGF-1 axis is where stacking gets most clinically delicate CJC-1295 has human data showing it raises GH/IGF-1
Deficiencies of vitamin B12 are fairly common but it is difficult to know if you are deficient
Usually, 1000 mcg (1 mg) is given, but it might be adjusted for each person