Quality indicators include third-party purity testing with certificates of analysis available, proper storage and shipping conditions, appropriate pricing (extremely cheap peptides often indicate quality compromises), and established reputation from trustworthy sources
Nat Rev Cardiol 17(9):559573 Pieske B, Tschpe C, de Boer RA, Fraser AG, Anker SD, Donal E, Edelmann F, Fu M, Guazzi M, Lam CSP et al (2019) How to diagnose heart failure with preserved ejection fraction: the HFA-PEFF diagnostic algorithm: a consensus recommendation from the Heart Failure Association (HFA) of the European Society of Cardiology (ESC)
10.1016/j.bbi.2014.12.025 134
And plus, its calorie free
These two power-packed antioxidants are often marketed as solutions for skin brightening, UV protection, anti-aging, and glow enhancement