Reputable suppliers provide certificates of analysis documenting purity testing results
For the full does of 1,200 mcg*, each spray delivers 300mcg* of Vitamin B12 which equates to 4 sprays
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GHK-Cu Copper Peptide GHK-Cu is a tripeptide that directly stimulates collagen synthesis, provides antioxidant protection, and regulates gene expression for tissue remodeling
1992 Mar-Apr;1(2):65-77
USP 797/800 Sterile Compounding Standards: Confirmed environmental monitoring, clean-room classification, and aseptic technique validation