| Butriptyline H1-Antihistamine Blood Vessel Constriction Action Pathway |  | Drug Action | Arginine / Citrulline / Sapropterin / Nitric Oxide / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Butriptyline |
| Butriptyline H1-Antihistamine Immune Response Action Pathway |  | Drug Action | Calcium / Butriptyline |
| Butyrate Metabolism |  | Metabolic | Adenosine phosphate / Succinic acid / NADH / ATP / Magnesium cation / Acetoacetic acid / Flavin adenine dinucleotide / Butyric Acid / Pyrophosphoric acid |
| Cabergoline Mechanism of Action Action Pathway |  | Drug Action | Pyridoxal phosphate / Tyrosine / Cabergoline / Dopamine / Levodopa / Calcium / Iron / Cyclic adenosine monophosphate |
| Cabotegravir Action Pathway |  | Drug Action | Cabotegravir |
| Cabozantinib Action Pathway |  | Drug Action | Calcium / Cabozantinib |
| Caffeine Adrenergic A1 vasoconstriction Action Pathway |  | Drug Action | ATP / Caffeine / Calcium / Magnesium cation / Cyclic adenosine monophosphate |
| Caffeine Cardiac Contraction Action Pathway |  | Drug Action | Ascorbic acid / ATP / Caffeine / Norepinephrine / Dopamine / Calcium / Pyrroloquinoline Quinone |
| Caffeine Metabolism |  | Metabolic | NADH / Caffeine / Theophylline / Theobromine / Mesoheme / Flavin adenine dinucleotide / Formaldehyde |
| Caffeine Nervous Action Pathway |  | Drug Action | Pyridoxal phosphate / Glutamic acid / Caffeine / Norepinephrine / Adenosine / Calcium / gamma-Aminobutyric acid |
| Caffeine Vasodilation Action Pathway |  | Drug Action | Arginine / Citrulline / Caffeine / Sapropterin / Nitric Oxide / Potassium cation / Calcium / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Pyrophosphoric acid |
| Calcium acetate Drug Metabolism |  | Metabolic | Calcium acetate |
| Calcium ascorbate Drug Metabolism |  | Metabolic | Calcium ascorbate |
| Calcium carbonate Drug Metabolism |  | Metabolic | Calcium carbonate |
| Calcium citrate Drug Metabolism |  | Metabolic | Calcium citrate |
| Calcium Gluceptate Drug Metabolism Pathway |  | Metabolic | Calcium glucoheptonate |
| Calcium gluconate Drug Metabolism |  | Metabolic | Calcium gluconate |
| Calcium glycerophosphate Drug Metabolism |  | Metabolic | Calcium glycerophosphate |
| Calcium lactate Drug Metabolism |  | Metabolic | Calcium lactate |
| Calcium levulinate Drug Metabolism |  | Metabolic | Calcium levulinate |
| Calcium saccharate Drug Metabolism |  | Metabolic | Calcium saccharate |
| Calcium threonate Drug Metabolism |  | Metabolic | Calcium threonate |
| Calcium undecylenate Drug Metabolism |  | Metabolic | Calcium undecylenate |
| Camphor Predicted Metabolism Pathway |  | Metabolic | Camphor / Mesoheme |
| Canavan Disease |  | Disease | Pyridoxal phosphate / Arginine / Aspartic acid / L-Glutamine / Adenosine phosphate / Glutamic acid / Citrulline / ATP / Asparagine / Magnesium cation / Zinc / D-Aspartic Acid / Oxogluric acid / beta-Alanine / Flavin adenine dinucleotide / Acetic acid / Pyrophosphoric acid / N-Carbamoylaspartic acid / Maleic acid |