Hydroxocobalamin is the form typically used in intramuscular injections for treating B12 deficiency in the UK, as recommended by NICE guidelines
Suggested Use: Take as directed by a qualified healthcare professional
Include supplements, peptides, alcohol, cannabis, and prescribed medicines
Indicatively and honestly: GHK-Cu is a well-characterized cosmetic copper tripeptide with a genuinely plausible, multi-pathway rationale for supporting hair follicles dermal papilla vitality, angiogenesis, suppression of a catagen signal, and an anti-inflammatory, antioxidant tilt supported by in vitro and ex vivo data (much of it from the related peptide AHK-Cu) and by an extensive skin-regeneration literature
Most preclinical studies are conducted in young, healthy, genetically homogeneous male rodents, far removed from the heterogeneity of aging human populations with comorbidities such as hypertension, diabetes, or cerebrovascular disease
And that fourth pathway, the amylin system, does not just add incremental benefit