WADA Prohibition The World Anti-Doping Agency classifies both peptides as prohibited substances: Both listed under Section S0 (Non-Approved Substances) Prohibited at all times (in and out of competition) No Therapeutic Use Exemptions (TUEs) available for either peptide Detection methods under development for anti-doping testing TB-500 and thymosin beta-4 explicitly banned since 2011 WADAs position reflects that neither peptide has regulatory approval from any health authority worldwide
The translational meaning for an exogenous TB-500 fragment in humans is unknown, but it is the most-cited theoretical risk in clinician reviews of this stack and is one reason researchers exclude individuals with active or undiagnosed cancer from any informal protocol
The following reflects anecdotal reports from research forums and is not medical advice
There is no robust clinical evidence that B12 injections enhance energy, alertness, or performance in individuals whose B12 levels are already adequate
02/06 FDA rev date: 9/15/2006 Side Effects for Nascobal The incidence of adverse experiences described in the Table below are based on data from a short-term clinical trial in vitamin B 12 deficient patients in hematologic remission receiving Nascobal (Cyanocobalamin, USP) Gel for Intranasal Administration (N=24) and intramuscular vitamin B 12 (N=25)
Riboflavin (B2): Aids in energy production, metabolic processes, and supports antioxidant function
