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That search returns a confusing mix of providers: telehealth-only platforms shipping nasal sprays, online vendors selling vials labeled research only, med spas adding Semax to a cognitive menu without baseline workup, and a few medical clinics that actually run the protocol as supervised care

GHK-Cu research compounds are typically supplied as a lyophilized powder in sealed laboratory vials

In cosmetic protocols it is applied twice daily as a serum or cream for a minimum of 8 weeks for measurable effect

DAmico, R

It's all part of "the circus of unproven, expensive and possibly dangerous" offerings promoted by wellness and longevity clinics, said Topol, who has written about the industry