Substantial pharmaceutical research base, including FDA approval for HIV-associated lipodystrophy (under the brand name Egrifta in pharmaceutical formulation)
All peptides are created in a GMP standard environment[1]
In summary, vitamin B12 is an essential nutrient that helps create new red blood cells, maintain nerves, produce DNA, and enable cell division
For hair growth, the relevant signaling pathways are: vascular stimulation (more blood flow to the dermal papilla), follicle repair (extending the anagen growth phase), inflammation modulation (calming the chronic low-grade inflammation that contributes to follicular miniaturization), and systemic growth signaling (IGF-1 levels that influence overall regenerative capacity)
NIH Office of Dietary Supplements Vitamin B12 Health Professional Fact Sheet: link MedlinePlus Cyanocobalamin injection: link Mayo Clinic Cyanocobalamin (intramuscular route): link IAPAM MIC Injections: link Fastic Do Vitamin B12, Lipo, and MIC Injections Actually Work for Weight Loss?: link FDA Using Fat-Dissolving Injections That Are Not FDA Approved Can Be Harmful: link Jacobson Cosmetic Surgery SlimShots (MIC/B12): link Eden B12 MIC Shots for Weight Loss: Cost & Reviews: link Journal of Clinical Endocrinology & Metabolism Inositol for PCOS: Systematic Review and Meta-analysis (2024): link