Studies have shown that GHK-Cu at concentrations of 0.01, 1, and 100 nM significantly increased the production of elastin and collagen in human dermal fibroblasts, which are the cells responsible for building skin structure
An open-label clinical trial showed that consistent use of SNAP-8 over 14 weeks resulted in smoother skin, improved radiance , and reduced wrinkle depth, with no adverse effects
Without enough vitamin B12, red blood cells may have trouble getting out of the bone marrow because they will not divide normally and are too large to move into the bloodstream
Jimenez J, Washington MA, Resnick JL, Nischal KK, Fedorchak MV (2021) A sustained release cysteamine microsphere/thermoresponsive gel eyedrop for corneal cystinosis improves drug stability
This is not an uncommon problem
One such study in 2012, published in the journal Obesity, found that obese individuals who received vitamin B12 injections lost an average of 3 pounds more than a placebo group over 12 weeks