| Valproate bismuth Drug Metabolism |  | Metabolic | Valproate bismuth |
| Valproic Acid Metabolism Pathway |  | Drug Metabolism | Adenosine phosphate / NADH / ATP / Valproic acid / Magnesium cation / Mesoheme / Flavin adenine dinucleotide / Uridine-5'-Diphosphate / Pyrophosphoric acid |
| Valrubicin Action Pathway |  | Drug Action | Valrubicin / Doxorubicin / Magnesium cation |
| Valsartan Action Pathway |  | Drug Action | Valsartan / Potassium cation / Zinc |
| Valsartan Action Pathway (New) |  | Drug Action | Glutamic acid / Valsartan / Zinc |
| Vanoxerine Dopamine Reuptake Inhibitor Action Pathway |  | Drug Action | Pyridoxal phosphate / Tyrosine / ATP / Dopamine / Levodopa / Calcium / Magnesium cation / Iron / Cyclic adenosine monophosphate / Vanoxerine |
| Vardenafil Predicted Metabolism Pathway |  | Metabolic | Vardenafil / Mesoheme |
| Vasopressin Regulation of Water Homeostasis |  | Signaling | ATP / Magnesium cation / Cyclic adenosine monophosphate / Pyrophosphoric acid |
| Vatalanib Action Pathway |  | Drug Action | Vatalanib |
| VEGF Signaling |  | Signaling | Bevacizumab / Nitric Oxide / Calcium / Mesoheme / Aflibercept |
| Velpatasvir Action Pathway |  | Drug Action | Magnesium cation / Zinc / Velpatasvir |
| Venlafaxine Metabolism Pathway |  | Drug Metabolism | NADH / Venlafaxine / Mesoheme / Formaldehyde / Desvenlafaxine |
| Verapamil Action Pathway |  | Drug Action | ATP / Verapamil / Potassium cation / Calcium |
| Verapamil Calcium Channel Cardiac Muscle Relaxation Action Pathway |  | Drug Action | Verapamil / Potassium cation / Calcium / Cyclic adenosine monophosphate |
| Verapamil Calcium Channel Vasodilation Action Pathway |  | Drug Action | ATP / Verapamil / Calcium / Magnesium cation |
| Verteporfin Drug Metabolism |  | Metabolic | Verteporfin |
| Very-Long-Chain Acyl-CoA Dehydrogenase Deficiency (VLCAD) |  | Disease | Adenosine phosphate / NADH / ATP / Levocarnitine / Magnesium cation / Flavin adenine dinucleotide / Palmitic Acid / Pyrophosphoric acid |
| Very-Long-Chain Acyl-CoA Dehydrogenase Deficiency (VLCAD) |  | Disease | Adenosine phosphate / NADH / ATP / Levocarnitine / Magnesium cation / Flavin adenine dinucleotide / Palmitic Acid / Pyrophosphoric acid |
| Vibegron Action Pathway |  | Drug Action | ATP / Potassium cation / Calcium / Magnesium cation / Cyclic adenosine monophosphate / Vibegron |
| Vibegron Drug Metabolism |  | Metabolic | Vibegron |
| Vidarabine Action Pathway |  | Drug Action | Vidarabine / Magnesium cation / Pyrophosphoric acid |
| Vidarabine Drug Metabolism |  | Metabolic | Vidarabine |
| Vilanterol Action Pathway |  | Drug Action | ATP / Potassium cation / Calcium / Magnesium cation / Cyclic adenosine monophosphate / Vilanterol |
| Vilazodone mechanism of Action Action Pathway |  | Drug Action | Pyridoxal phosphate / Tryptophan / Sapropterin / Iron / Oxitriptan / Vilazodone |
| Vilazodone Predicted Metabolism Pathway |  | Metabolic | Mesoheme / Vilazodone |