this is discussed further on the TB-500 page
Notably, serotonin synthesis decreased in dorsal thalamus, hippocampus, lateral geniculate body, and hypothalamus
100+ preclinical repair studies
1-10 mg/kg in animal studies Combined formulations: Ratios vary widely across research suppliers (5-50mg GHK-Cu, 5-10mg BPC-157, 5-10mg TB-500) Important: These are experimental doses used in animal studies and cannot be extrapolated to other species due to significant differences in metabolism, receptor density, pharmacokinetics, and peptide degradation rates
When you notice some of these, particularly when you are not feeling great for no reason why, then it is prudent to consult a medical professional regarding your B12 deficiency