Muscle preservation during weight loss depends primarily on protein intake (typically 1.2 to 1.6 grams per kilogram body weight), resistance training, and the rate of weight loss
One possible explanation is your body adjusting to B12 replenishment
GHK-Cu, in particular, occurs naturally in the human body and has an excellent safety profile
For detailed tendon-specific protocols using this stack, see our guide on the best peptides for tendon repair
It has gained attention primarily because of research involving human hair follicles and dermal papilla cells
In hindlimb ischemia models, the peptide accelerates blood flow recovery as measured by laser Doppler scanning, with histological analysis confirming increased vessel numbers and enhanced vascular expression of VEGFR2