Ingredient Category: Amino acid
L-Theanine
L-Theanine (γ-glutamylethylamide) is a non-proteinogenic amino acid found almost exclusively in tea (Camellia sinensis), where it constitutes 1–2% of the…
Glutathione
Glutathione (GSH, γ-L-glutamyl-L-cysteinyl-glycine) is a tripeptide and the most abundant intracellular antioxidant in the human body, present in virtually every…
Taurine
Taurine (2-aminoethanesulfonic acid) is the most abundant free amino acid in the body, with total body content of ~70 g…
Creatine
Creatine monohydrate is one of the most extensively studied and effective ergogenic aids in sports nutrition [1]. Endogenously synthesized from…
L-Tyrosine
L-Tyrosine is a non-essential amino acid (synthesized from phenylalanine) that is the direct precursor to catecholamine neurotransmitters: dopamine, norepinephrine, and…
BCAAs
Branched-chain amino acids (BCAAs — leucine, isoleucine, valine) are three essential amino acids that constitute ~35% of muscle protein and…
Taurine (sport dose)
This entry covers taurine specifically at sport/exercise doses (1,000–6,000 mg pre-workout). A 2018 meta-analysis of 10 RCTs found that acute…
Glycine
Glycine is the simplest amino acid and the most abundant in collagen (~33% of collagen residues). It serves as an…