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-Tryptophan 1000 mg AN Amazing Nutrition Amazing Formulas Tablet or Pill 60 Tablet(s) 8 10180 02375 7 On
      L-Tryptophan 1000 mg SuperSmart Tablet or Pill 120 Tablet(s) 5 453003 824411 On
      L-Tryptophan 1000 mg Best Naturals Tablet or Pill 60 Tablet(s) 8 17716 01583 5 On
      L-Tryptophan 1000 mg Protocol For Life Balance Tablet or Pill 60 Tablet(s) 7 07359 10169 2 Off
      L-Tryptophan 1000 mg Protocol For Life Balance Tablet or Pill 60 Tablet(s) 7 07359 10169 2 Off
      L-Tryptophan 1000 mg Protocol For Life Balance Tablet or Pill 60 Tablet(s) 7 07359 10169 2 On
      L-Tryptophan 1000 mg Protocol For Life Balance Tablet or Pill 60 Tablet(s) 7 07359 10169 2 Off
      L-Tryptophan 1000 mg NOW Tablet or Pill 60 Tablet(s) 7 33739 00169 6 Off
      L-Tryptophan 1000 mg The Vitamin Shoppe Tablet or Pill 60 Tablet(s) 7 66536 02539 8 Off
      L-Tryptophan 1500 mg NusaPure Capsule 200 Veg Cap(s) X001WQ419D On
      L-Tryptophan 1500 mg NusaPure Capsule 200 Veg Cap(s) X001WQ419D On
      L-Tryptophan 500 mg Life Extension Capsule 90 Vegetarian Capsule(s) 7 37870 17229 1 On
      L-Tryptophan 500 mg BIOVEA Capsule 60 Vegetarian Capsule(s) 8 18423 02288 8 On
      L-Tryptophan 500 mg Source Naturals Capsule 60 Capsule(s) 0 21078 01984 8 Off
      L-Tryptophan 500 mg AN Amazing Nutrition Amazing Formulas Capsule 120 Capsule(s) 8 10180 02044 2 On
      L-Tryptophan 500 mg NOW Capsule 60 Veg Capsule(s) 7 33739 00166 5 Off
      L-Tryptophan 500 mg Best Naturals Capsule 60 Capsule(s) 8 17716 01554 5 On
      L-Tryptophan 500 mg Advanced Nutrition by Zahler Capsule 60 Capsule(s) 8 48998 08124 9 On
      L-Tryptophan 500 mg BIOVEA Capsule 60 Vegetarian Capsule(s) 6 89076 02424 2 Off
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Capsule(s) 7 90011 15056 5 Off
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 120 Veg Capsule(s) 7 07359 10167 8 Off
      L-Tryptophan 500 mg Life Extension Capsule 90 Vegetarian Capsule(s) 7 37870 17229 1 Off
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 120 Veggie Capsule(s) 7 66536 02538 1 Off
      L-Tryptophan 500 mg Doctor's Best Capsule 90 Veggie Cap(s) 7 53950 00126 8 On
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Capsule(s) - 500 mg 7 90011 15056 5 Off
      L-Tryptophan 500 mg Nutricost Capsule 120 Capsule(s) 7 02669 93307 0 Off
      L-Tryptophan 500 mg Swanson Capsule 60 Capsule(s) 0 87614 11502 3 Off
      L-Tryptophan 500 mg Nutricost Capsule 120 Capsule(s) 7 02669 93307 0 Off
      L-Tryptophan 500 mg AN Amazing Nutrition Amazing Formulas Capsule 60 Capsule(s) 8 10180 02784 7 On
      L-Tryptophan 500 mg Protocol for Life Balance Capsule 60 Vcap(s)(R) 7 07359 10166 1 Off
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 120 Vcap(s)(R) 7 07359 10167 8 Off
      L-Tryptophan 500 mg Source Naturals Capsule 120 Capsule(s) 0 21078 01985 5 Off
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 120 Veg Capsule(s) 7 07359 10167 8 Off
      L-Tryptophan 500 mg NOW Capsule 60 Veg Capsule(s) 7 33739 00166 5 On
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 60 Veggie Capsule(s) 7 66536 02537 4 Off
      L-Tryptophan 500 mg DC Capsule 60 Vcap(s) -- On
      L-Tryptophan 500 mg Metabolic Maintenance Capsule 60 Capsule(s) 8 38287 00149 2 On
      L-Tryptophan 500 mg NOW Capsule 60 Veg Capsule(s) 7 33739 00166 5 Off
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 60 Veg Capsule(s) 7 07359 10166 1 Off
      L-Tryptophan 500 mg Source Naturals Capsule 60 Capsule(s) 0 21078 01984 8 Off
      L-Tryptophan 500 mg Doctor's Best Capsule 90 Veggie Cap(s) 7 53950 00126 8 On
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 60 Veg Capsule(s) 7 07359 10166 1 Off
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Vegetarian Capsule(s) 7 90011 15056 5 Off
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Veggie Cap(s) 7 90011 15056 5 Off
      L-Tryptophan 500 mg Bronson Laboratories Capsule 90 Capsule(s) 7 16563 37101 2 On
      L-Tryptophan 500 mg Swanson Ultra Capsule 90 Veggie Cap(s) 0 87614 02372 4 On
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 120 Veggie Capsule(s) 7 66536 02538 1 On
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Veggie Cap(s) 7 90011 15056 5 Off
      L-Tryptophan 500 mg Bluebonnet Capsule 60 Vegetable Capsule(s) 7 43715 00094 0 On
      L-Tryptophan 500 mg HBC Protocols Capsule 180 Capsule(s) 6 79840 58221 4 On
      L-Tryptophan 500 mg Best Naturals Capsule 120 Capsule(s) 8 17716 01311 4 On
      L-Tryptophan 500 mg Source Naturals Capsule 60 Capsule(s) 0 21078 01984 8 On
      L-Tryptophan 500 mg Source Naturals Liquid 100 Gram(s) - 3.53 Ounce(s) 0 21078 01999 2 On
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 60 Veggie Capsule(s) 7 66536 02537 4 Off
      L-Tryptophan 500 mg Bluebonnet Capsule 30 Vegetable Capsule(s) 7 43715 00093 3 On
      L-Tryptophan 500 mg Bluebonnet Capsule 60 Vegetable Capsule(s) 7 43715 00094 0 On
      L-Tryptophan 500 mg LuckyVitamin Capsule 120 Veg Capsule(s) 8 10026 42151 8 On
      L-Tryptophan 500 mg Life Extension Capsule 90 Vegetarian Capsule(s) 7 37870 17229 1 Off
      L-Tryptophan 500 mg Bronson Laboratories Capsule 90 Capsule(s) 7 16563 37101 2 Off
      L-Tryptophan 500 mg VitalBulk Capsule -- Off
      L-Tryptophan 500 mg Natural Grocers by Vitamin Cottage Capsule 90 Vegetarian Capsule(s) 8 49327 00350 5 On
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 60 Veg Capsule(s) 7 07359 10166 1 Off
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 60 Veggie Capsule(s) 7 66536 02537 4 On
      L-Tryptophan 500 mg Swanson Capsule 60 Capsule(s) 0 87614 11502 3 On
      L-Tryptophan 500 mg Bluebonnet Capsule 30 Vegetable Capsule(s) 7 43715 00093 3 On
      L-Tryptophan 500 mg Swanson Premium Brand Capsule 60 Capsule(s) 0 87614 11502 3 Off
      L-Tryptophan 500 mg Source Naturals Capsule 120 Capsule(s) 0 21078 01985 5 On
      L-Tryptophan 500 mg Nutricost Capsule 120 Capsule(s) 7 02669 93307 0 On
      L-Tryptophan 500 mg NOW Capsule 120 Veg Capsule(s) 7 33739 00167 2 On
      L-Tryptophan 500 mg The Vitamin Shoppe Capsule 120 Veggie Capsule(s) 7 66536 02538 1 Off
      L-Tryptophan 500 mg Source Naturals Tablet or Pill 60 Tablet(s) 0 21078 01979 4 On
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Veggie Capsule(s) 7 90011 15056 5 On
      L-Tryptophan 500 mg HBC Protocols Capsule 180 Capsule(s) - 500 mg 7 90011 15056 5 On
      L-Tryptophan 500 mg NOW Capsule 120 Veg Capsule(s) 7 33739 00167 2 Off
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Veggie Cap(s) 7 90011 15056 5 On
      L-Tryptophan 500 mg Nova Nutritions Capsule 120 Capsule(s) 7 32363 27278 6 On
      L-Tryptophan 500 mg VitalBulk Capsule -- On
      L-Tryptophan 500 mg California Academy of Health Capsule 60 Capsule(s) 8 96291 00241 6 On
      L-Tryptophan 500 mg Jarrow Formulas Capsule 60 Veggie Cap(s) 7 90011 15056 5 On
      L-Tryptophan 500 mg Source Naturals Tablet or Pill 120 Tablet(s) 0 21078 01980 0 On
      L-Tryptophan 500 mg NOW Capsule 120 Veg Capsule(s) 7 33739 00167 2 Off
      L-Tryptophan 500 mg Source Naturals Tablet or Pill 120 Tablet(s) 0 21078 01980 0 Off
      L-Tryptophan 500 mg Source Naturals Tablet or Pill 60 Tablet(s) 0 21078 01987 9 On
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 60 Veg Capsule(s) 7 07359 10166 1 On
      L-Tryptophan 500 mg Source Naturals Capsule 60 Capsule(s) 0 21078 01984 8 Off
      L-Tryptophan 500 mg BIOVEA Capsule 60 Capsule(s) 6 89076 02424 2 Off
      L-Tryptophan 500 mg Protocol For Life Balance Capsule 120 Veg Capsule(s) 7 07359 10167 8 On
      L-Tryptophan 500 mg BIOVEA Capsule 60 Vegetarian Capsule(s) 8 18423 02288 8 Off
      L-Tryptophan 500 Milligrams Montiff Capsule 120 Capsule(s) 6 83268 10477 4 On
      L-Tryptophan Chewable Delicious Green Apple Flavor Lidtke Tablet or Pill 60 Tablet(s) 6 30610 00422 0 On
      L-Tryptophan Chewable Delicious Maple Vanilla Flavor Lidtke Tablet or Pill 60 Tablet(s) 6 30610 00376 6 Off
      L-Tryptophan Chewable Delicious Maple Vanilla Flavor Lidtke Tablet or Pill 60 Tablet(s) 6 30610 00376 6 On
      L-Tryptophan Complete Lidtke TryptoGOLD Capsule 180 Vegan Capsule(s) 6 30610 00393 3 On
      L-Tryptophan Complete Lidtke TryptoGOLD Capsule 60 Vegan Capsule(s) 6 30610 00322 3 On
      L-Tryptophan Complete Lidtke TryptoGOLD Capsule 60 Vegan Capsule(s) 6 30610 00322 3 Off
      L-Tryptophan Peptide Jarrow Formulas Tablet or Pill 60 Tablet(s) 7 90011 15067 1 On
      L-Tryptophan Peptide Jarrow Formulas Tablet or Pill 60 Tablet(s) 7 90011 15067 1 Off
      L-Tryptophan Peptide Jarrow Formulas Tablet or Pill 60 Tablet(s) 7 90011 15067 1 Off
      L-Tryptophan Powder NOW Powder 2 oz. - 57 Gram(s) 7 33739 00263 1 On
      L-Tryptophan Powder NOW Powder 2 oz. - 57 g 7 33739 00263 1 Off

      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.