They require clinic visits, they cost more, and they don't offer a meaningful advantage over high-dose oral supplementation when absorption isn't the problem
Protocol source: These schedules reflect practice conventions summarized by a compounding source [18]
Never use: Tap water (bacteria, contaminants) Distilled water (no preservative) Saline solution (wrong osmolarity for some peptides) Only bacteriostatic water
Moreover, it has been recently proven that IGF-1 central administration also induced improvement in insulin sensitivity [291], meaning that this sudden rise after exercise or treatment could be of benefit not only in the periphery, but acting centrally
Once cyanocobalamin has been converted, it can be used to support neurological health, methylation, DNA synthesis, and more
Stated purity: 99% by HPLC in the product specs