However, the glucagon receptor component theoretically favors fat oxidation over muscle catabolism
Increased NAD supports redox and sirtuin-dependent pathways tied to mitochondrial function, lipid oxidation, and insulin action
In cosmetic and trichological research literature the combination of GHK-Cu + AHK-Cu is used for maximum stimulation of hair growth: GHK-Cu = systemic regenerative effect, perifollicular angiogenesis AHK-Cu = direct stimulation of dermal papilla cells The combination in topical or injectable animal protocols produces stronger follicular effects than each peptide alone
Some users prefer to get the injection over with at the start of the week, finding that the mild fatigue on Monday and Tuesday is manageable with caffeine and activity, and they feel progressively better through the week
A 15-week trial demonstrated greater increases in quadriceps volume and total muscle volume with collagen peptides versus placebo
Addressing the deficiency may help improve nail strength and appearance over time