Drug - Supplement Interaction Checker

Enter at least one drug and one supplement or supplement ingredient to search for interactions. Please note that this checker will only show interactions between a drug and a supplement. It does not display drug-drug interactions

Supplements: -> Ingredients

    Supplements: -> Product

      Product Brand Supplement Net Contents Bar Code/UPC Market status
      L-Theanine 200 mg Country Life Capsule 60 Vegan Capsule(s) 0 15794 01412 6 Off
      L-Theanine 200 mg Source Naturals Tablet or Pill 60 Tablet(s) 0 21078 01499 7 Off
      L-Theanine 200 mg Bluebonnet Capsule 60 Vegetable Capsule(s) 7 43715 00091 9 On
      L-Theanine 200 mg LuckyVitamin Capsule 120 Veg Capsule(s) 8 10026 42244 7 On
      L-Theanine 200 mg Protocol For Life Balance Capsule 60 Veg Capsule(s) 7 07359 10147 0 On
      L-Theanine 200 mg Vital Nutrients Capsule 60 Vegetarian Capsule(s) 6 93465 26311 2 Off
      L-Theanine 200 mg VitaCeutical Labs Capsule 60 Vegetarian Capsules 7 19985 75331 2 On
      L-Theanine 200 mg & Valerian Extract 100 mg Puritan's Pride Tablet or Pill 30 Bilayer Tablet(s) 0 25077 59903 5 Off
      L-Theanine 200 mg & Valerian Extract 100 mg Puritan's Pride Tablet or Pill 30 Bilayer Tablet(s) 0 25077 59903 5 Off
      L-Theanine 200 mg & Valerian Extract 100 mg Puritan's Pride Tablet or Pill 60 Bilayered Tablet(s) 0 25077 64653 1 On
      L-Theanine 200 mg Double Strength Swanson Capsule 60 Veggie Cap(s) 0 87614 02816 3 On
      L-Theanine 200 mg Double Strength Swanson Capsule 60 Veggie Cap(s) 0 87614 02816 3 Off
      L-Theanine 200 mg Natural Mint Flavor Vitamin World Tablet or Pill 90 Quick Dissolve Tablet(s) 7 66443 55493 6 On
      L-Theanine 200 mg Sweet Cherry EZ Melts Tablet or Pill 60 Fast Melting Tablet(s) 8 51989 00753 1 Off
      L-Theanine 200 mg Sweet Cherry EZ Melts Tablet or Pill 60 Fast-Melting Tablet(s) 8 51989 00753 1 On
      L-Theanine 200 mg Sweet Cherry EZ Melts Tablet or Pill 60 Fast-Melting Tablet(s) 8 51989 00753 1 On
      L-Theanine 200 mg Unflavored Nutricost Powder 100 Gram(s) - 0.22 Pound(s) 7 02669 93102 1 On
      L-Theanine 250 mg Kirkman Capsule 100 Capsule(s) 8 12325 02214 4 On
      L-Theanine 250 mg Arazo Nutrition Capsule 120 Capsule(s) X001MCX3XH Off
      L-Theanine 250 mg Arazo Nutrition Capsule 120 Capsule(s) X001MCX3XH On
      L-Theanine 300 Everyday Health Capsule 90 Capsule(s) 9 421902 427312 On
      L-Theanine 400 mg OL Olympian Labs, Inc. Capsule 60 Capsule(s) 7 10013 03231 7 Off
      L-Theanine 400 mg Mental Refreshment Capsule 180 Capsule(s) 7 15854 66471 0 On
      L-Theanine 400 mg OL Olympian Labs, Inc. Capsule 60 Vegetarian Capsule(s) 7 10013 03231 7 On
      L-Theanine 500 mg BulkSupplements.com Capsule 100 Vegetarian Capsule(s) -- On
      L-Theanine 500 mg BulkSupplements.com Capsule 300 Vegetarian Capsule(s) -- On
      L-Theanine Calm Caps Nature's Truth Capsule 90 Vegetarian Capsule(s) 8 40093 11398 6 On
      L-Theanine Capsules 200 mg Nootropics Depot Capsule 180 Capsule(s) -- Off
      L-Theanine Capsules 200 mg Nootropics Depot Capsule 180 Capsule(s) -- On
      L-Theanine Complex Solgar Capsule 60 Vegetable Capsule(s) 0 33984 02705 3 Off
      L-Theanine Complex Solgar Capsule 60 Vegetable Capsule(s) 0 33984 02705 3 Off
      L-Theanine Complex Solgar Capsule 60 Vegetable Capsule(s) 0 33984 02705 3 Off
      L-Theanine Complex Solgar Capsule 60 Vegetable Capsule(s) 0 33984 02705 3 On
      L-Theanine Double Strength - 200 mg NOW Capsule 60 Veg Capsule(s) 7 33739 00147 4 Off
      L-Theanine Double Strength - 200 mg NOW Capsule 120 Veg Capsule(s) 7 33739 00148 1 Off
      L-Theanine Liquid NuMedica Liquid 2 fl. Oz. - 60 mL 8 12527 01307 0 On
      L-Theanine Liquid Natural Lemon Flavor NuMedica Liquid 2 fl. Oz. - 60 mL 8 12527 01307 0 Off
      L-Theanine Powder Nootropics Depot Powder 4.4 Ounce(s) - 125 Gram(s) -- On
      L-Theanine Powder Nootropics Depot Powder 17.6 Ounce(s) - 500 Gram(s) -- On
      L-Theanine Powder Herbadiet Powder -- On
      L-Theanine Relax 200 mg Refreshing Mint GNC Tablet or Pill 60 Chewable Tablet(s) 0 48107 16325 9 On
      L-Theanine Solution Natrium Health Liquid 60 mL - 2 Fluid Ounce(s) -- On
      L-Theanine Solution Natrium Health Liquid 60 mL - 2 fl. Oz. -- Off
      L-Theanine Stress Formula with Calming Blend Sundown Naturals Capsule 60 Capsule(s) 0 30768 52676 4 Off
      L-Theanine Stress Formula with Calming Blend Sundown Naturals Capsule 60 Capsule(s) 0 30768 52676 4 Off
      L-Theanine With Suntheanine 150 mg Doctor's Best Capsule 90 Veggie Cap(s) 7 53950 00197 8 Off
      L-Theanine With Suntheanine 150 mg Doctor's Best Capsule 90 Veggie Cap(s) 7 53950 00197 8 Off
      L-Threonine BulkSupplements.com Powder 250 Gram(s) - 8.8 oz X000IOD0Z1 On
      L-Threonine BulkSupplements.com Powder 1 kg - 35.3 oz X000IOD0FV On
      L-Threonine BulkSupplements.com Powder 500 Gram(s) - 17.6 oz X000IOD1Y1 On
      L-Threonine BulkSupplements.com Powder 100 Gram(s) - 3.5 oz X000IOD277 On
      L-Threonine 500 mg Douglas Laboratories Capsule 60 Capsule(s) 3 10539 00577 4 Off
      L-Threonine 500 mg Solgar Capsule 100 Vegetable Capsule(s) 0 33984 02710 7 On
      L-Threonine 500 mg Vitamatic Capsule 120 Vegetable Capsule(s) 8 10078 47117 2 On
      L-Threonine 500 mg Solgar Capsule 100 Vegetable Capsule(s) 0 33984 02710 7 Off
      L-Threonine 500 mg Douglas Laboratories Capsule 60 Capsule(s) 3 10539 00577 4 Off
      L-Threonine 500 mg Douglas Laboratories Capsule 60 Capsule(s) 3 10539 00577 4 On
      L-Tox MM Sports Nutrition Capsule 60 Capsule(s) 6 91381 22795 9 On
      L-Tryosine 500 mg Village Vitality Capsule 90 Capsule(s) -- On
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsules 3 10539 03414 9 Off
      L-Tryptophan SuperSmart Tablet or Pill 120 Tablet(s) -- Off
      L-Tryptophan Pure Encapsulations Capsule 90 Capsule(s) 7 66298 02084 6 On
      L-Tryptophan Indiana Botanic Gardens Capsule 30 Capsule(s) 7 03308 81083 7 On
      L-Tryptophan Hard Rhino Powder 30 Gram(s) - 1.05 Oz(s) 8 18132 96780 7 On
      L-Tryptophan SuperiorLabs Capsule 120 Vegetable Capsule(s) 8 50569 00620 9 Off
      L-Tryptophan California Natural Capsule 30 Capsule(s) 0 85001 51313 1 On
      L-Tryptophan BulkSupplements.com Powder 100 Gram(s) - 3.5 Ounce(s) X000IVXR6V On
      L-Tryptophan BulkSupplements.com Powder 250 Gram(s) - 8.8 Ounce(s) X000IVXQSP On
      L-Tryptophan Lidtke Powder 250 Gram(s) Powder 6 30610 00375 9 On
      L-Tryptophan Pure Encapsulations Capsule 180 Capsule(s) 7 66298 02083 9 Off
      L-Tryptophan Pure Encapsulations Capsule 90 Capsule(s) 7 66298 02084 6 Off
      L-Tryptophan Metabolic Maintenance Capsule 60 Capsule(s) - 500 mg 8 38287 00149 2 On
      L-Tryptophan Pure Encapsulations Capsule 180 Capsule(s) 7 66298 02083 9 On
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsule(s) 3 10539 03414 9 Off
      L-Tryptophan PureBulk.com Powder 25 g - 0.88 oz. -- On
      L-Tryptophan Source Naturals Capsule 30 Capsule(s) 0 21078 01983 1 On
      L-Tryptophan Herbadiet Capsule 60 V-Cap(s) 8 80752 50168 6 On
      L-Tryptophan BulkSupplements.com Powder 50 Gram(s) - 1.76 oz X000J3IVRX On
      L-Tryptophan BulkSupplements.com Powder 500 Gram(s) - 17.6 Ounce(s) X000IVXQ1R On
      L-Tryptophan SuperiorLabs Capsule 120 Vegetable Capsule(s) 8 50569 00620 9 On
      L-Tryptophan Thorne Research Capsule 60 Vegetarian Capsule(s) 6 93749 50101 5 Off
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsules 3 10539 03414 9 Off
      L-Tryptophan Source Naturals Tablet or Pill 120 Tablet(s) 0 21078 01980 0 Off
      L-Tryptophan Herbadiet Capsule 60 V Cap(s) 5113336165256 On
      L-Tryptophan Vitamin Research Products Capsule 90 Capsule(s) 8 92727 00012 4 On
      L-Tryptophan California Academy of Health Capsule 120 500 mg Capsule(s) 8 96291 00241 6 Off
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsules 3 10539 03414 9 On
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsule(s) 3 10539 03414 9 On
      L-Tryptophan Lidtke Capsule 120 Vegan Capsule(s) 6 30610 00325 4 On
      L-Tryptophan Douglas Laboratories Capsule 60 Vegetarian Capsules 3 10539 03414 9 Off
      L-Tryptophan BRI Nutrition Capsule 120 Capsule(s) X000S0USBJ On
      l-Tryptophan Isotonix Powder 3.5 oz. - 100 g -- On
      L-Tryptophan Hard Rhino Powder 125 Gram(s) - 4.4 Oz(s) 8 18132 96980 1 On
      L-Tryptophan Lidtke TryptoGOLD Capsule 120 Vegan Capsule(s) 6 30610 00208 0 On
      L-Tryptophan (250 mg) BulkSupplements.com Capsule 100 Capsule(s) -- On
      L-Tryptophan (250 mg) BulkSupplements.com Capsule 300 Capsule(s) -- On
      L-Tryptophan 1,000 mg AN Amazing Nutrition Amazing Formulas Tablet or Pill 120 Tablet(s) 8 19209 02195 8 On
      L-Tryptophan 1,000 mg Source Naturals Tablet or Pill 90 Tablet(s) 0 21078 02610 5 On
      L-Tryptophan 1000 mg The Vitamin Shoppe Tablet or Pill 60 Tablet(s) 7 66536 02539 8 Off
      L-Tryptophan 1000 mg SuperSmart Tablet or Pill 120 Tablet(s) 5 453003 824411 Off
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      Note: For a complete list of brand names and supplement products under a brand, visit our brand listing page.

      Disclaimer: This drug-supplement interaction checker is provided for informational purposes only and should not be used as a substitute for the advice of a healthcare professional. The information contained in this tool is not intended to diagnose, treat, cure, or prevent any disease.

      Additionally, this tool does not encompass all potential interactions. The interactions between supplements, their ingredients and medications can be complex and are not always fully understood. Always be sure to consult with your doctor before making changes to your medication regimen.