I — Drugs

iron and ibandronate magnesium and ibandronate

Bromelain and Ibuprofen Curcumin and Ibuprofen Devils Claw and Ibuprofen Fish Oil and Ibuprofen Ginkgo Biloba and Ibuprofen Milk Thistle and Ibuprofen St. John's Wort and Ibuprofen Turmeric and Ibuprofen Willow Bark and Ibuprofen

Berberine and Imatinib Curcumin and Imatinib Echinacea and Imatinib Garlic Extract and Imatinib Ginkgo Biloba and Imatinib Goldenseal and Imatinib Grapefruit and Imatinib Kava and Imatinib Milk Thistle and Imatinib Quercetin and Imatinib St. John's Wort and Imatinib

EGCG Green Tea and Imatinib (Gleevec) PQQ (Pyrroloquinoline Quinone) and Imatinib (Gleevec)

Ashwagandha and Immunosuppressants (e.g., Cyclosporine, Tacrolimus)

St. John's Wort and indinavir

Berberine and Indinavir Curcumin and Indinavir Echinacea and Indinavir Garlic Extract and Indinavir Ginkgo Biloba and Indinavir Goldenseal and Indinavir Grapefruit and Indinavir Kava and Indinavir Milk Thistle and Indinavir

Lithium (Prescription) and Inositol Valproic Acid (Valproate) and Inositol

Alpha Lipoic Acid and Insulin Astaxanthin and Insulin Berberine and Insulin Bilberry and Insulin Chromium and Insulin Cinnamon and Insulin CLA (Conjugated Linoleic Acid) and Insulin Cordyceps (Cordyceps sinensis/militaris) and Insulin Green Coffee Extract and Insulin White Kidney Bean and Insulin

Acetyl L-Carnitine and Insulin (Basal/Bolus Therapy)

Maca and Insulin Glargine

Berberine and Invokana Magnesium and Invokana

Amiodarone (high iodine content cardiac drug) and Iodine Potassium Iodide (SSKI/KI) and Iodine

CoQ10 and Irbesartan Curcumin and Irbesartan Ginkgo Biloba and Irbesartan Magnesium and Irbesartan Milk Thistle and Irbesartan Potassium and Irbesartan St. John's Wort and Irbesartan

Iron (supplemental) and Iron

Calcium supplement and Iron supplement Copper supplement and Iron supplement Magnesium supplement and Iron supplement Zinc supplement and Iron supplement

Garlic Extract and Isoflurane Kava and Isoflurane

Garlic Extract and Isoniazid Kava and Isoniazid

Food (general) and isoniazid Histamine-containing foods (skipjack, tuna, tropical fish) and isoniazid Tyramine-containing foods (cheese, red wine) and isoniazid

Biotin and Isotretinoin Collagen and Isotretinoin

Berberine and Itraconazole Calcium and Itraconazole Curcumin and Itraconazole Echinacea and Itraconazole Garlic Extract and Itraconazole Ginkgo Biloba and Itraconazole Goldenseal and Itraconazole Grapefruit and Itraconazole Kava and Itraconazole Magnesium and Itraconazole Milk Thistle and Itraconazole Saccharomyces boulardii and Itraconazole St. John's Wort and Itraconazole Zinc and Itraconazole