It's popular in biohacking circles and often pops up in patient consults, but the FDA hasn't approved it for human therapy
Eur J Nutr 55 , 207217 (2016)
From vitamins like C, D, B12, and folate to compounds such as CoQ10, omega-3 fatty acids, ashwagandha, and shilajit, these nutrients have all been shown to improve sperm count, motility, and overall reproductive health
Although it is possible to take individual supplements of lysine and methionine, it is preferable to consume them as part of a balanced formulation of essential amino acids so that the normal balance of all amino acids in the blood is maintained.
Because of the rapid rate at which lidocaine HCl is metabolized, any condition that affects liver function may alter lidocaine HCl kinetics
How accurate is the peptide calculator