| Imipramine |  | Drug Action | NADH / ATP / Norepinephrine / Imipramine / Dopamine / Desipramine / Potassium cation / Calcium / Mesoheme / Formaldehyde |
| Imipramine Action Pathway (New) |  | Drug Action | Pyridoxal phosphate / Ascorbic acid / Tyrosine / Tryptophan / Sapropterin / Norepinephrine / Imipramine / Dopamine / Levodopa / Calcium / Iron / Oxitriptan / Pyrroloquinoline Quinone |
| Immunometabolism Pathway (Bacterial Activation) |  | Disease | Lysine / Arginine / Ascorbic acid / Serine / Succinic acid / Glycine / Leucine / Tryptophan / Citrulline / Threonine / Valine / Isoleucine / Sapropterin / Nitric Oxide / Epinephrine / Hydrocortisone / Iron / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Citric acid / Maleic acid / Corticotropin |
| Immunometabolism Pathway (Viral Activation) |  | Disease | Lysine / Arginine / Ascorbic acid / Serine / Succinic acid / Glycine / Leucine / Tryptophan / Citrulline / Threonine / Valine / Isoleucine / Sapropterin / Nitric Oxide / Epinephrine / Hydrocortisone / Iron / Mesoheme / Flavin adenine dinucleotide / Flavin mononucleotide / Citric acid / Maleic acid / Corticotropin |
| Incretins - Insulin release Pathway |  | Physiological | ATP / Calcium / Magnesium cation / Cyclic adenosine monophosphate |
| Indacaterol Action Pathway |  | Drug Action | ATP / Potassium cation / Calcium / Magnesium cation / Cyclic adenosine monophosphate / Indacaterol |
| Indapamide Action Pathway |  | Drug Action | Cysteine / Indapamide / Potassium cation / Urea |
| Indapamide Diuretic Action Pathway |  | Drug Action | Indapamide / Potassium cation / Calcium |
| Indigotindisulfonic acid Drug Metabolism |  | Metabolic | Indigotindisulfonic acid |
| Indinavir Action Pathway |  | Drug Action | Indinavir / Magnesium cation |
| Indium In-111 oxyquinoline Drug Metabolism |  | Metabolic | Indium In-111 oxyquinoline |
| Indium In-111 pentetate Drug Metabolism |  | Metabolic | Indium In-111 pentetate |
| Indocyanine green acid form Drug Metabolism |  | Metabolic | Indocyanine green acid form |
| Indocyanine green Drug Metabolism |  | Metabolic | Indocyanine green |
| Indomethacin Action Pathway |  | Drug Action | Glutamic acid / Glutathione / Indomethacin / Dinoprostone / Calcium / Magnesium cation / Zinc / Prostaglandin D2 / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| Indomethacin NSAID Action Pathway |  | Drug Action | Glutathione / Indomethacin / Dinoprostone / Calcium / Mesoheme / Prostaglandin G2 / Arachidonic Acid |
| INMAZEB Action Pathway |  | Drug Action | Magnesium cation / Atoltivimab / Maftivimab / Odesivimab |
| Inositol Metabolism |  | Metabolic | ATP / Calcium / Magnesium cation / Iron / 1D-myo-inositol 1,3,4-trisphosphate / Pyrophosphoric acid / Inositol |
| Inositol Phosphate Metabolism |  | Metabolic | ATP / Magnesium cation / 1D-myo-inositol 1,3,4-trisphosphate / Inositol |
| Insulin (New) |  | Physiological | Magnesium cation / Zinc |
| Insulin Signalling |  | Signaling | Magnesium cation / Zinc |
| Interferon beta-1a Action Pathway |  | Drug Action | Interferon beta-1a |
| Intestinal Serotonin pathway |  | Signaling | Calcium / Magnesium cation |
| Intracellular Signalling Through Adenosine Receptor A2a and Adenosine |  | Signaling | ATP / Adenosine / Magnesium cation / Zinc / Cyclic adenosine monophosphate / Pyrophosphoric acid |
| Intracellular Signalling Through Adenosine Receptor A2b and Adenosine |  | Signaling | ATP / Adenosine / Magnesium cation / Zinc / Cyclic adenosine monophosphate / Pyrophosphoric acid |