One placebo-controlled, double-blind, cross-over trial in 86 subjects with fertility issues found that supplementation with L-carnitine (2 g/day) for two months improved sperm quality, as evidenced by increases in sperm concentration and motility (111)
It also dampens local inflammation and supports tendon, ligament, and muscle repair
Verdict: Limited evidence BPC-157 has a credible biological rationale, but showing that something could work through a plausible mechanism is not the same as proving it does work in humans [13]
In essence, collagens taste is subtle, allowing it to seamlessly blend with the desired flavor profile of the product it is added to, making it an inconspicuous and convenient addition to ones daily routine
doi: 10.1111/j.0022-202X.2005.23806.x