fda safety communication semaglutide naion 2025 Does Zepbound Cause NAION? Vision Loss Risk Explained November 2025 Drug Safety: Recalls

GHK is a small tripeptide (glycyl-L-histidyl-L-lysine) that occurs naturally in human plasma, saliva, and urine

But heres where it gets interesting: the gut microbiome plays a direct and indirect role in regulating GLP-1 secretion

In ATDC5 chondrocytes derived from mouse teratocarcinoma cells and stimulated with IL-1 to simulate the osteoarthritis cellular environment, catalpol significantly reduces matrix metalloproteinases (MMP-1, -3, -13) and a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS-4, -5), demonstrating anti-cartilage degradation activity (Yin et al., 2024)

The immune system greatly benefits from Vitamin C supplementation