4,4-Dimethoxy-2-butanone is an endogenous metabolite.

L-Prolylglycine is an endogenous metabolite.

Spinacine is an endogenous metabolite.

1-Methylhistamine dihydrochloride is a histamine metabolite.

L-Azetidine-2-carboxylic acid is an endogenous metabolite.

N,N,O-Tridesmethylvenlafaxine is an endogenous metabolite.

2-Benzylsuccinic acid (DL-Benzylsuccinic acid) is an potent inhibitor of carboxypeptidase A (CPA).

2-Piperidone is an endogenous metabolite.

4-Methyl-1-phenyl-2-pentanone is an endogenous metabolite.

2-Ethylpyrazine is an endogenous metabolite.

L-Alanyl-L-leucine is an endogenous metabolite.

2-Acetyl-3-ethylpyrazine is an endogenous metabolite.

2-Methylbenzoxazole is an endogenous metabolite.

3,5-Dihydroxyacetophenone is an endogenous metabolite.

Ethoxyacetic acid is an endogenous metabolite.

N4-Acetylcytidine is an endogenous metabolite.

2-hydroxymethyl benzoic acid is an endogenous metabolite.

Meconine is an endogenous metabolite.

Cyclohexaneacetic acid is an endogenous metabolite.

Methyl p-tert-butylphenylacetate is an endogenous metabolite.

2-Phenylacetamide is an endogenous metabolite.

(Ethoxymethyl)benzene is an endogenous metabolite.

Mesitaldehyde is an endogenous metabolite.

Carveol is an endogenous metabolite.

2-Mercaptobenzothiazole is an endogenous metabolite.

4-Methylbiphenyl is an endogenous metabolite.

L-Cysteine hydrochloride hydrate is a conditionally essential amino acid, which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S), glutathione and taurine. L-Cysteine hydrochloride hydrate suppresses ghrelin and reduces appetite in rodents and humans.

4-Amino-L-phenylalanine is an endogenous metabolite.

4-Hydroxybenzyl cyanide is an endogenous metabolite.

4-Ethoxyphenol is an endogenous metabolite.