Injectable GHK-Cu is not FDA-approved for human use
Evaluate the supplier's operational history
Glutathione supplements are widely available over-the-counter as well as through prescription drugs
Supplement Facts: Serving Size: 1 Bar (45g) Servings Per Container: 18 Amount Per Serving: Energy kcal: 214 kcal Energy kJ: 896 kJ Fat: 13.2 g of which saturates: 4.2 g Carbohydrates: 13.5 g of which sugars: 1.4 g of which polyols: 10.6 g Fibre: 6.7 g Protein: 23.2 g Salt: 0.45 g *RI - Reference Intake Ingredients: MILK Protein, MILK Chocolate (Sweetener: Maltitol, Cocoa Butter, Whole Milk Powder, Cocoa Mass, Emulsifier (SOY Lecithin), Flavours) 18.3%, Gelatine Hydrolysate, Bulking Agent (Polydextrose), Humectant (Glycerol), SOY Crisps (SOY Protein, Tapioca Starch, Salt), SOY Crisp (SOY Protein, Fat Reduced Cocoa, Tapioca Starch), Cocoa Butter, SOY Oil, Skimmed MILK Powder, Palm Fat, Sweeteners (Xylitol, Sucralose), Flavours, Fat Reduced Cocoa, Salt, Emulsifier (SOY Lecithin)
Source: Journal of Clinical Pathology As I alluded to at the outset, I use a Vitamin C face serum twice daily