Shine?Star?(Hubei)?Biological?Engineering?Co.?Ltd.?is?the?leading?manufacturer?for?NON?GMO?certified?natural?amino?acids.?Our?products?include:?L-Arginine,?L-Arginine?Hcl,?L-Citrulline,?L-Citrulline DL-Malate 1:1,?L-Citrulline DL-Malate 2:1,?L-Histidine,?L-Histidine?Hcl,?L-Cystine,?L-Cysteine?Hcl?Mono,?L-Leucine,?Instantized?L-Leucine,?L-Isoleucine,?Instantized?BCAA,?DL-Homocysteinethiolactone hydrochloride,?L-Tyrosine?and?L-Phenylalanine.?Our?certifications?include:?NON?GMO?verified,Vegeterian certified, BRC,?GMP,?AIB,?Kosher?and?Halal.?With?stable?quality?products?and?great?service,?Shine?Star?has?obtained?a?good?reputation?in?the?world?market.