GHK-Cu (50mg), a copper-bound tripeptide first isolated from human blood plasma in 1973
Bottom line: NAC is a great building block for natural production, while Liposomal Glutathione offers direct, highly absorbable support for those who want the most efficient option
Last reviewed: May 31, 2026 Last updated: May 31, 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
Always use sterile techniques when drawing from the vial
64 68 For this reason, the section below titled Diagnosis is based on Clinical Principles or Expert Opinion with consensus achieved using a modified Delphi technique when differences of opinion emerged
SRCP offers improved stability, higher potency, and better compatibility with other ingredients