If you're looking for optimal gym supplements, amino acids should definitely be on your list. They play a crucial role in muscle recovery and growth, especially Branched-Chain Amino Acids (BCAAs) and essential amino acids like L-arginine. I’ve been using a supplement that combines these amino acids, and it has significantly improved my workout performance and recovery time. If you're interested in boosting your gains and overall fitness, you might want to check it out here: https://www.amazon.co.uk/Amino-Alliance-L-Glutamine-L-Arginine-Palatinose/dp/B0BG8YHQYX?ref_=ast_sto_dp&th=1&psc=1