Unfortunately, we dont have any such research
[11] TMG can help replenish methyl groups and facilitate the clearance of nicotinamide, theoretically reducing the buildup of by-products that could cause fatigue or headaches in some individuals
While animal studies show promising results for tendon, muscle, and ligament repair, there are zero controlled human safety trials, and research suggests 12% to 58% of peptide products are contaminated, which is why the FDA classifies it as Category 2, and it's banned by WADA, NCAA, NFL, NBA, MLB, NHL, UFC, and PGA
via Medical News Today
Carnitine metabolism and usage in chronic dialysis patients
Best Collagen Supplement: A Buyers Guide to Choosing One That Works There is no single best collagen supplement for everyone