If B12 blood levels and MMA are both high, a functional B12 deficiency could be preventing B12 being useful at cell/tissue level
While some are good for several weeks or even months after opening, others must be used within a few days max
Chronic conditions involving ongoing tissue damage, such as tendinopathy, may also respond to the peptide enhanced repair signaling
Copper peptides are small protein fragments bound to copper ions that are commonly used in skincare and increasingly featured in scalp-focused formulations
GHK-Cu makes up the largest share of either blend at 50 mg and is the copper peptide most associated with collagen production, improved skin elasticity, and anti-inflammatory signaling the same component that drives much of the visible glow effect in skin-focused research
Study 2: Ng 2000, original characterization Citation: Ng F.M., Sun J., Sharma L., et al