Superiority of L-propionylcarnitine vs L-carnitine in improving walking capacity in patients with peripheral vascular disease: an acute, intravenous, double-blind, cross-over study
Resveratrol and 4-hydroxynonenal act in concert to increase glutamate cysteine ligase expression and glutathione in human bronchial epithelial cells
Pharmaceutics (2019) 11(12):681
Common side effects include gastrointestinal symptoms for both supplements
GHK-Cu (Copper Peptide) Associated with collagen production, antioxidant activity, skin and connective tissue support, and cellular renewal
For a multi-peptide blend, look for each peptide name, amount, lot number, test date, per-component purity, analytical method, and identity confirmation