is injectable l carnitine banned by wada L-carnitine, batch-testing, and the problem with self-prescription in elite sport. Oral L-carnitine achieves bioavailability of just 14–18% of the administered dose. In a well-nourished elite athlete with no deficiency, the evidence for L-carnitine can boost your endurance...
Description
The speed of initial response often shocks users, with some noting undeniable improvements by day three when using quality products

However, this point may be irrelevant given that the preponderance of available evidence renders such a study unnecessarily risky and thus unethical

[1] An independent review from the Medical University of Warsaw confirms Epitalon as the AEDG tetrapeptide and situates it among synthetic peptides studied for antioxidant and anti-aging activity

COVID-19, coronavirus disease of 2019

Marden et al., 2007
The scale of effect is dramatically different
