Safety
Drug-Supplement Interaction Checker
1307 interactions in our database
Check an Interaction
Critical
Avoid Combination (206)
5 Htp × Ssri
Critical
well-established
Black Cohosh × Antiarrhythmics
Critical
cyp-inferred
Black Cohosh × Anticonvulsants
Critical
cyp-inferred
Black Cohosh × GI Prokinetics
Critical
cyp-inferred
Black Cohosh × Immunosuppressants
Critical
cyp-inferred
Black Cohosh × Theophylline
Critical
cyp-inferred
Black Cohosh × Warfarin
Critical
cyp-inferred
Caffeine × Cocaine (nasal)
Critical
ddinter-verified
Caffeine × Cocaine (topical)
Critical
ddinter-verified
Caffeine × Esketamine
Critical
ddinter-verified
Caffeine × Tizanidine
Critical
ddinter-verified
Coq10 × Anticonvulsants
Critical
cyp-inferred
Coq10 × GI Prokinetics
Critical
cyp-inferred
Coq10 × Immunosuppressants
Critical
cyp-inferred
Coq10 × Theophylline
Critical
cyp-inferred
Cranberry × Antiarrhythmics
Critical
cyp-inferred
Cranberry × Anticonvulsants
Critical
cyp-inferred
Cranberry × GI Prokinetics
Critical
cyp-inferred
Cranberry × Immunosuppressants
Critical
cyp-inferred
Cranberry × Theophylline
Critical
cyp-inferred
Dong Quai × Anticonvulsants
Critical
cyp-inferred
Dong Quai × GI Prokinetics
Critical
cyp-inferred
Dong Quai × Immunosuppressants
Critical
cyp-inferred
Dong Quai × Theophylline
Critical
cyp-inferred
Echinacea × Antiarrhythmics
Critical
cyp-inferred
Echinacea × Anticonvulsants
Critical
cyp-inferred
Echinacea × Antipsychotics
Critical
cyp-inferred
Echinacea × GI Prokinetics
Critical
cyp-inferred
Folic Acid × Capecitabine
Critical
ddinter-verified
Folic Acid × Fluorouracil
Critical
ddinter-verified
Garlic × Antiarrhythmics
Critical
cyp-inferred
Garlic × Anticonvulsants
Critical
cyp-inferred
Garlic × Digoxin
Critical
cyp-inferred
Garlic × GI Prokinetics
Critical
cyp-inferred
Garlic × Immunosuppressants
Critical
cyp-inferred
Garlic × Theophylline
Critical
cyp-inferred
Ginger × Antiarrhythmics
Critical
cyp-inferred
Ginger × Anticonvulsants
Critical
cyp-inferred
Ginger × GI Prokinetics
Critical
cyp-inferred
Ginger × Theophylline
Critical
cyp-inferred
Ginkgo × Digoxin
Critical
cyp-inferred
Ginkgo × GI Prokinetics
Critical
cyp-inferred
Ginkgo × Immunosuppressants
Critical
cyp-inferred
Ginseng × Antiarrhythmics
Critical
cyp-inferred
Ginseng × Anticonvulsants
Critical
cyp-inferred
Ginseng × GI Prokinetics
Critical
cyp-inferred
Ginseng × Immunosuppressants
Critical
cyp-inferred
Ginseng × Theophylline
Critical
cyp-inferred
Grapefruit × Antiarrhythmics
Critical
cyp-inferred
Grapefruit × Antibiotics
Critical
cyp-inferred
Moderate
Monitor Closely (1073)
5 Htp × Carbidopa
Moderate
probable
5 Htp × Tricyclic Antidepressants
Moderate
probable
Aloe Vera × Anticoagulants
Moderate
possible
Antioxidants × Chemotherapy
Moderate
inconclusive
Black Cohosh × ADHD Medications
Moderate
cyp-inferred
Black Cohosh × ARB
Moderate
cyp-inferred
Black Cohosh × Antibiotics
Moderate
cyp-inferred
Black Cohosh × Antidiabetic Drugs
Moderate
cyp-inferred
Black Cohosh × Antiemetics
Moderate
cyp-inferred
Black Cohosh × Antifungals
Moderate
cyp-inferred
Black Cohosh × Antipsychotics
Moderate
cyp-inferred
Black Cohosh × Antitussives
Moderate
cyp-inferred
Black Cohosh × Benzodiazepines
Moderate
cyp-inferred
Black Cohosh × Beta Blockers
Moderate
cyp-inferred
Black Cohosh × Beta-2 Agonists
Moderate
cyp-inferred
Black Cohosh × CFTR Modulators
Moderate
cyp-inferred
Black Cohosh × Calcium Channel Blockers
Moderate
cyp-inferred
Black Cohosh × Chemotherapy
Moderate
cyp-inferred
Black Cohosh × Corticosteroids
Moderate
cyp-inferred
Black Cohosh × Leukotriene Antagonists
Moderate
cyp-inferred
Black Cohosh × NSAIDs
Moderate
cyp-inferred
Black Cohosh × Opioids
Moderate
cyp-inferred
Black Cohosh × Oral Contraceptives
Moderate
cyp-inferred
Black Cohosh × PDE5 Inhibitors
Moderate
cyp-inferred
Black Cohosh × PPIS
Moderate
cyp-inferred
Black Cohosh × SNRI
Moderate
cyp-inferred
Black Cohosh × SSRI
Moderate
cyp-inferred
Black Cohosh × Statins
Moderate
possible
Black Cohosh × Tricyclic Antidepressants
Moderate
cyp-inferred
Caffeine × Abametapir (topical)
Moderate
ddinter-verified
Caffeine × Adenosine
Moderate
ddinter-verified
Caffeine × Antibiotics
Moderate
ddinter-verified
Caffeine × Antiplatelet Drugs
Moderate
ddinter-verified
Caffeine × Capmatinib
Moderate
ddinter-verified
Caffeine × Chemotherapy
Moderate
ddinter-verified
Caffeine × Cycloserine
Moderate
ddinter-verified
Caffeine × Enoxacin
Moderate
ddinter-verified
Caffeine × Fluoroquinolones
Moderate
ddinter-verified
Caffeine × Gastrointestinal Drugs
Moderate
ddinter-verified
Caffeine × Givosiran
Moderate
ddinter-verified
Caffeine × Grepafloxacin
Moderate
ddinter-verified
Caffeine × Iron Chelators
Moderate
ddinter-verified
Caffeine × Lithium
Moderate
well-established
Caffeine × Lithium carbonate
Moderate
ddinter-verified
Caffeine × Maoi
Moderate
ddinter-verified
Caffeine × Nalidixic acid
Moderate
ddinter-verified
Caffeine × Obeticholic acid
Moderate
ddinter-verified
Caffeine × Olaparib
Moderate
ddinter-verified
Caffeine × Osilodrostat
Moderate
ddinter-verified
Caffeine × Osimertinib
Moderate
ddinter-verified
Minor
Be Aware (28)
Beta Carotene × Statins
Minor
inconclusive
Caffeine × Antidiabetic Drugs
Minor
possible
Chromium × Levothyroxine
Minor
possible
Coq10 × Antihypertensives
Minor
possible
Coq10 × Statins
Minor
inconclusive
Creatine × Nephrotoxic Drugs
Minor
possible
Echinacea × Midazolam
Minor
possible
Fish Oir × Antiplatelet Drugs
Minor
possible
Garlic × Chlorzoxazone
Minor
possible
Ginger × Anticoagulants
Minor
possible
Ginseng × Ssri
Minor
possible
Ginseng × Stimulants
Minor
possible
Glucosamine × Antidiabetic Drugs
Minor
inconclusive
Green Tea × Simvastatin
Minor
possible
Licorice × Warfarin
Minor
possible
Magnesium × Antihypertensives
Minor
possible
Melatonin × Warfarin
Minor
possible
Milk Thistle × Metronidazole
Minor
possible
Niacin × Anticoagulants
Minor
possible
Omega 3 × Antihypertensives
Minor
possible
Omega 3 × Antiplatelet Drugs
Minor
possible
Probiotics × Antibiotics
Minor
well-established
Saw Palmetto × Antiandrogens
Minor
possible
Saw Palmetto × Anticoagulants
Minor
possible
Turmeric × Antidiabetic Drugs
Minor
possible
Valerian × Ssri
Minor
possible
Vitamin C × Warfarin
Minor
possible
Vitamin D × Verapamil
Minor
theoretical
Medical Disclaimer: This interaction checker is for informational and educational purposes only and does not constitute medical advice. Always consult your healthcare provider or pharmacist before combining any supplement with prescription medications.