Here is the vendor: Limitless Life Limitless Life is the best source of high-quality research peptides for several reasons including their stringent quality protocols, commitment to safety and responsible peptide distribution, trustworthiness and reputation, and outstanding customer service
But notably, the FDA made this statement in a release about bulk drug substances (ingredients used to make medicines) that it considers to pose potential significant safety risks, so KPVs lack of safety studies is a red flag in the FDAs eyes
Body weight might affect the dose in some cases, but its not as common for B12 injections
Split dosing protocols Some protocols divide the daily dose into morning and evening administrations
The B12 won't make it into your bloodstream in sufficient quantities
it is a powerful gene-modulating agent with profound systemic and topical applications