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Gel serums & ampoules
Start a MIC B12 protocol with PlexusDx One all-inclusive price covers your online provider visit, prescription, medication, and shipping no membership, no hidden fees
Clinical laboratories generally define vitamin B12 deficiency as a serum level below 148 pmol/L (approximately 200 pg/mL)
Final Thoughts GHK-Cu offers a science-backed, regenerative approach to skin and hair research, with over 50 years of published work, roughly 4,000 documented gene interactions, and clinical trials showing measurable wrinkle reduction, increased collagen density, and improved hair-cell activity in models
The standard diagnostic pathway includes a serum B12 blood test as the initial screening tool
