Forms of GHK-Cu Topical (Serums & Creams): Ideal for skin and hair health, often combined with hyaluronic acid and citric acid to amplify its effects
According to a 2017 systematic review in the Journal of Clinical Nursing confirming that aspiration before subcutaneous injection does not reduce adverse events, subcutaneous injections carry a distinct pharmacokinetic profile that intramuscular delivery disrupts, which is why correct angle and depth matter for predictable results
However, to date, the majority of studies have been performed on small rodent models and the efficacy of BPC 157 is yet to be confirmed in humans (2)
Dairy foods: while there is no strong evidence requiring the avoidance of dairy when taking glutathione, some sources suggest it might interfere with absorption due to its proteins, minerals like calcium, or effects on stomach pH
B1 + B6 + B12
When NNMT runs too high in fat tissue, it wastes a form of vitamin B3 that the body needs to make NAD+