L-5-hydroxytryptophan , l-alanine , l-arginine , l-cysteine hcl , l-cysteine , l-glutamine , glycine , l-histidine hcl , l-isoleucine , l-leucine , l-lysine hcl , l-methionine , l-phenylalanine , l-serine , taurine , l-threonine , l-tyrosine , l-valine , other ingredients : hydroxypropyl methylcellulose , microcrystalline cellulose . .
Does not contain obligatory allergens.