People may lack B12 as a result of poor nutrition, intestinal problems, infection, and cancer
However, observational studies are open to residual confounding, such as by socioeconomic position and health status, and cannot distinguish whether l-carnitine is a biomarker or a causal factor, making them difficult to use as a guide to interventions [17]
A 2018 review in the International Journal of Molecular Sciences (PMC6073405) confirmed that GHK-Cu promotes angiogenesis and tissue remodelling around hair follicles
It also helps with weight loss, heart health, and brain function
Skin, Hair, and Nail Health: The peptide positively influences skin, hair, and nail health by increasing collagen production in the body