Compound: GHK-Cu (Copper tripeptide-1)
Plant sterols are steroid molecules found in plants that may compete with cholesterol for absorption in the intestines, reducing LDL levels
TB-500's primary mechanism is upregulating actin, a protein essential for cell structure, movement, and repair
Last reviewed: July 16, 2026 Last updated: July 16, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Avoid vendors who cannot supply independent verification or who sell peptides labeled for research purposes only without accompanying purity data those are often underdosed or contaminated products.