Red flags include: no third-party COA available on request, COA issued by the same company selling the product, no mass spec data, dose listed only as a proprietary blend, and price far below market rate for verified peptide raw material
What matters in the market is its ability to keep that flavor, appearance, and functionality throughout its expected shelf life
Progress in peptide and protein therapeutics: Challenges and strategies
If your redness is ongoing, worsens over time despite avoiding triggers, or begins to cause eye dryness and light sensitivity, it is time to seek professional diagnosis and treatment
Glutathione synthetase deficiency, glutamate-cysteine ligase deficiency, and 5-oxoprolinase deficiency are inborn errors presenting in childhood with hemolytic anemia, metabolic acidosis, and neurological symptoms