Apart from its unclear safety profile in clinical research, we can conclude, based on our dealings with prescribers, that KPV administered subcutaneously can cause certain side effects that are common to most therapeutic peptide injectables: injection site reactions and mild, transient flu-like symptoms
NAD increases collagen production and helps repair UV-damaged skin, while Glutathione can promote a brighter complexion by inhibiting melanin production and reducing hyperpigmentation
Potential therapeutic effects of flavonoids in cardiovascular disorders: review
Doi: 10.1186/s12916-016-0762-8
Tones and strengthens your skin, giving it a healthy and youthful appearance
Non-enzymatic components include tocopherol, carotenoids, phenolic compounds, flavonoids, alkaloids, and non-protein amino acids, besides cellular redox buffers like ascorbate (AsA) and glutathione (GSH) [50, 51, 52]