| L-Arginine Base | FCC/USP/AJI/EP |
| L-Arginine HCL | FCC/USP/AJI/EP |
| L-Arginine Alpha-Ketoglutarate | In-House Standard |
| L-Asparagine Monohydrate | FCC/USP/AJI |
| L-Carnitine & Derivatives | USP (Base, Fumarate, Tartrate, N-acetyl) |
| L-Citrulline | AJI |
| L-Citrulline DL-Malate | In-House Standard |
| L-Cystine base | AJI |
| L-Cysteine HCl Anhydrate | USP/AJI/EP |
