| Metabolism and Physiological Effects of Phenol sulphate |  | Metabolic | Tyrosine / Phenol |
| Metabolism and Physiological Effects of Phenyl glucuronide |  | Metabolic | Tyrosine / Phenol / Uridine-5'-Diphosphate |
| Metabolism and Physiological Effects of Phenyl sulfate |  | Metabolic | Tyrosine / Phenol |
| Metabolism and Physiological Effects of Phenylacetic Acid |  | Metabolic | Pyridoxal phosphate / Phenylalanine / NADH / Phenylacetaldehyde / Phenethylamine |
| Metabolism and Physiological Effects of Phenylacetylglutamine |  | Metabolic | Phenylalanine / L-Glutamine / Adenosine phosphate / ATP / Magnesium cation / Phenylpyruvic acid / Pyrophosphoric acid |
| Metabolism and Physiological Effects of Phenylacetylglycine |  | Metabolic | Glycine |
| Metabolism and Physiological Effects of Putrescine |  | Metabolic | Arginine / Ornithine / Putrescine / Urea |
| Metabolism and Physiological Effects of Quinolinic Acid |  | Metabolic | Tryptophan / Quinolinic Acid / Kynurenine / Mesoheme / Flavin adenine dinucleotide / 3-hydroxyanthranilic acid / Pyrophosphoric acid |
| Metabolism and Physiological Effects of S-Adenosylhomocysteine |  | Metabolic | Ademetionine / Methionine / ATP / Potassium cation / Magnesium cation / Pyrophosphoric acid |
| Metabolism and Physiological Effects of Symmetric dimethylarginine (SDMA) |  | Metabolic | Ademetionine / Arginine / Symmetric dimethylarginine |
| Metabolism and Physiological Effects of Tiglylglycine |  | Metabolic | Glutamic acid / Glycine / Isoleucine / Oxogluric acid / Flavin adenine dinucleotide |
| Metabolism and Physiological Effects of Trimethylamine N-oxide (TMAO) |  | Metabolic | Choline / Flavin adenine dinucleotide |
| Metabolism and Physiological Effects of Uric acid |  | Metabolic | NADH / Adenine / Adenosine / Zinc / Uric acid / Xanthine / Guanine / Ribose-1-Phosphate / Flavin adenine dinucleotide / Hypoxanthine / Inosine |
| Metabolism and Physiological Effects of Uridine |  | Metabolic | Aspartic acid / L-Glutamine / ATP / Magnesium cation / Zinc / Uridine / Flavin mononucleotide / Uridine monophosphate / Pyrophosphoric acid |
| Metabolism and Physiological Effects of Vanillic Acid |  | Metabolic | NADH / Vanillic acid |
| Metabolism and Physiological Effects of Xanthine |  | Metabolic | Adenine / Adenosine / Zinc / Xanthine / Guanine / Ribose-1-Phosphate / Flavin adenine dinucleotide / Hypoxanthine / Inosine |
| Metabolism and Physiological Effects of Xanthosine |  | Metabolic | Adenine / Adenosine / Zinc / Xanthine / Guanine / Ribose-1-Phosphate / Flavin adenine dinucleotide / Hypoxanthine / Inosine |
| Metabolism and Physiological Effects of β-Hydroxybutyric acid |  | Metabolic | NADH / Acetoacetic acid |
| Metabolsim and Physiological Effects of 4-Ethylphenylsulfate |  | Metabolic | Pyridoxal phosphate / Phenylalanine / Tyrosine / Iron / Oxogluric acid / Propanoic acid / Phenylpyruvic acid / Phloretic acid / 4-Hydroxyphenylpyruvic acid |
| Metabolsim and Physiological Effects of Argininic acid |  | Metabolic | Pyridoxal phosphate / Arginine / Aspartic acid / Ornithine / L-Glutamine / Adenosine phosphate / Glutamic acid / Citrulline / ATP / Calcium / Oxogluric acid / Flavin adenine dinucleotide / Glutaric Acid / Urea / Pyrophosphoric acid / Maleic acid |
| Metachromatic Leukodystrophy (MLD) |  | Disease | Pyridoxal phosphate / Serine / ATP / Calcium / Magnesium cation / Zinc / Uridine diphosphate glucose / Hexadecanal / Uridine-5'-Diphosphate / N,N,N-Trimethyl-2-(phosphonooxy)ethanaminium |
| Metachromatic Leukodystrophy (MLD) |  | Disease | Pyridoxal phosphate / Serine / ATP / Calcium / Magnesium cation / Zinc / Uridine diphosphate glucose / Hexadecanal / Uridine-5'-Diphosphate / N,N,N-Trimethyl-2-(phosphonooxy)ethanaminium |
| Metacycline Action Pathway |  | Drug Action | Tetracycline / Metacycline |
| Metamizole Drug Metabolism |  | Metabolic | Metamizole |
| Metaraminol Predicted Metabolism Pathway |  | Metabolic | Metaraminol / Mesoheme |