Potente, M., Gerhardt, H
When a COA reports 99% purity by HPLC, it means that 99% of the UV-absorbing material in the sample was identified as the target peptide
Counterfeit and underdosed research peptides are a documented problem across the industry
Without adequate vitamin C, gum tissue becomes weakened and inflamed and blood vessels bleed more easily ( In advanced stages of vitamin C deficiency, gums may even appear purple and rotten ( Eventually, teeth can fall out due to unhealthy gums and weak dentin, the calcified inner layer of teeth ( Summary Red, bleeding gums are a common sign of vitamin C deficiency, and severe deficiency can even lead to tooth loss
Tang R, Harasymowicz NS, Wu CL, et al
DOI: 10.1016/j.chmed.2022.06.010, Antolak H, Piechota D, Kucharska A