Verdict: Compatible with both pure LAA and vitamin C derivatives
Planning regular visits to the doctor and getting blood tests can help us stay on top of vitamin deficiencies and other issues that may cause health problems
Randomized, double-blind human trials have shown that GHK-Cu application produces a 55.8% reduction in wrinkle volume and a 32.8% reduction in wrinkle depth compared to controls over 8 weeks
Critically, this was achieved without requiring any carrier system, unlike TGF- and other growth factors that require special delivery mechanisms
For one thing, she says, the way a peptide is synthesized for research purposes (with a so-called TFA salt) is different and arguably makes it more toxic than an FDA-approved peptide formulated for human use
Selection As with all supplements, be sure that the collagen gummies are third-party tested and are verified by a reputable organization like US Pharmacopeia, UL, or ConsumerLab.com, advises Retelny