ghk-cu peptide reddit TOSOWOONG Copper 12 Cream, 99% Purity of Copper Tripeptide-1, GHK-Cu, 12 Multi-Peptide Powerful Anti Aging Formula for Fine Lines, Firming, Skin Elasticity, Korean Skincare, 50ml / 1.69 fl.oz. : Beauty 544 studies on this one

10.1002/humu.23040 140 RahnenfuhrerJ.De BinR.BennerA.AmbrogiF.LusaL.BoulesteixA

Vitamin B (pyridoxine), when chronically taken in gram quantities, is known to cause a sensory neuropathy, numbness and tingling in the extremities, but the amount of B in this formula (2 mg per mL) is far below such neurotoxic levels

[5] [6] Effectiveness evidence: FDA found the evidence insufficient to support the evaluated use

To put it in context, nicotinamide has shown signs of liver toxicity only at doses around 3,000 mg per day or higher

Mourey F, Scholtens P, Jeanne JF, Rodriguez B, Decherf A, Machuron F, Kardinaal A, Scheithauer T, Porbahaie M, Narni-Mancinelli E, et al