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For protocols calling for a single use or a preservative-free solvent, sterile water is the alternative
Hanahan and R
NAD in skin: investigational approaches for niacin [PMID: 19149600] Laboratory literature summary: NAD in skin: investigational approaches for niacin
Saline adds a different problem: the sodium chloride can interact with some peptide chemistries and provides no bacteriostatic activity
The collagen-derived compound collagen tripeptide induces collagen expression and extends lifespan via a conserved p38 mitogen-activated protein kinase cascade
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Vitamin B12 injections are generally safe during pregnancy when prescribed and monitored by a healthcare professional
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