L-Citrulline:DL-Malic acid (1:1, 2:1) A technique based company, ... 0.125g USP Complex Amino Acid Series L-Citrulline:α-Ketoglutaric acid (1:1, 2:1)L-Ornithine:α-Ketoglutaric acid (1:1, 2 ... :1)L-Citrulline:L-Malic acid (1:1, 2:1)L-Citrulline:DL-Malic acid (1:1, 2:1 ... )Arginine:DL-Malic acid (1:1, 2:1)Orally ...