| DB00129 | Ornithine | approved, nutraceutical | unknown | | Details |
| DB01983 | 2(S)-Amino-6-Boronohexanoic Acid | experimental | unknown | | Details |
| DB02381 | nor-NOHA | investigational | unknown | | Details |
| DB02499 | Dinor-N(Omega)-Hydroxy-L-Arginine | experimental | unknown | | Details |
| DB02689 | S-{2-[Amino(Dihydroxy)-Lambda~4~-Sulfanyl]Ethyl}-D-Cysteine | experimental | unknown | | Details |
| DB03144 | N(5)-[(hydroxyamino)(imino)methyl]-L-ornithine | experimental | unknown | | Details |
| DB03731 | S-2-(Boronoethyl)-L-Cysteine | experimental | unknown | | Details |
| DB03904 | Urea | approved, investigational | unknown | | Details |
| DB04197 | Descarboxy-nor-N(Omega)-Hydroxy-L-Arginine | experimental | unknown | | Details |
| DB04530 | S,S-(2-Hydroxyethyl)Thiocysteine | experimental | unknown | | Details |
| DB04585 | DEHYDRO-2(S)-AMINO-6-BORONOHEXANOIC ACID | experimental | unknown | | Details |
| DB04648 | S-propylamine-L-cysteine | experimental | unknown | | Details |
| DB06757 | Manganese | approved, nutraceutical | unknown | | Details |