Also, I'll just say here, there's certainly more than one way to go about this
A cross-sectional study by Glabska et al
Therefore, the scope includes both substances explicitly named in the 2026 WADA Prohibited List and emerging structural analogs captured under catch-all regulatory clauses (S0 and S6)
Recalls & Warnings August 06, 2013 Maker of Greens and Whole Foods Supplements Warned For Drug Claims, Manufacturing Violations On July 19, 2013, the FDA issued a warning to ProNatural Nutrition, LLC, following a facility inspection which found that statements made on product labels, including "Healing to cells and tissues," and "Non-toxic antibiotic" to be drug claims
We can also find this amino acid present in the spinal cord, blood plasma, heart, lungs, kidney, cerebrospinal fluid and liver