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The supplement product directory

Look up any bottle by name, brand, or barcode to see exactly what’s inside and how it interacts with medications. 214,830 products, all cross-linked to their ingredients.

214K+ Products 1,452 Ingredients 5,893 Brands
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Showing products starting with “L” (10,537) Clear ×
L-Tryptophan by California Academy of Health Capsule 120 500 mg Capsule(s) UPC 8 96291 00241 6 Off market Ingredients & interactions → L-Tryptophan by Douglas Laboratories Capsule 60 Vegetarian Capsule(s) UPC 3 10539 03414 9 Ingredients & interactions → L-Tryptophan by Lidtke Capsule 120 Vegan Capsule(s) UPC 6 30610 00325 4 Ingredients & interactions → L-Tryptophan by BRI Nutrition Capsule 120 Capsule(s) UPC X000S0USBJ Ingredients & interactions → l-Tryptophan by Isotonix Powder 3.5 oz. · 100 g Ingredients & interactions → L-Tryptophan by Hard Rhino Powder 125 Gram(s) · 4.4 Oz(s) UPC 8 18132 96980 1 Ingredients & interactions → L-Tryptophan by BulkSupplements.com Powder 250 Gram(s) · 8.8 Ounce(s) UPC X000IVXQSP Ingredients & interactions → L-Tryptophan by SuperSmart Tablet Or Pill 120 Tablet(s) Off market Ingredients & interactions → L-Tryptophan by Pure Encapsulations Capsule 90 Capsule(s) UPC 7 66298 02084 6 Ingredients & interactions → L-Tryptophan by Indiana Botanic Gardens Capsule 30 Capsule(s) UPC 7 03308 81083 7 Ingredients & interactions → L-Tryptophan by SuperiorLabs Capsule 120 Vegetable Capsule(s) UPC 8 50569 00620 9 Off market Ingredients & interactions → L-Tryptophan by California Natural Capsule 30 Capsule(s) UPC 0 85001 51313 1 Ingredients & interactions → L-Tryptophan by Source Naturals Capsule 30 Capsule(s) UPC 0 21078 01983 1 Ingredients & interactions → L-Tryptophan by Metabolic Maintenance Capsule 60 Capsule(s) · 500 mg UPC 8 38287 00149 2 Ingredients & interactions → L-Tryptophan by PureBulk.com Powder 25 g · 0.88 oz. Ingredients & interactions → L-Tryptophan by Lidtke TryptoGOLD Capsule 120 Vegan Capsule(s) UPC 6 30610 00208 0 Ingredients & interactions → L-Tryptophan by Earthborn Elements Capsule 200 Capsule(s) Ingredients & interactions → L-Tryptophan by Klaire Labs Capsule 90 Vegetarian Capsule(s) UPC 8 17234 01097 8 Ingredients & interactions → L-Tryptophan (250 mg) by BulkSupplements.com Capsule 300 Capsule(s) UPC X002KVQ683 Ingredients & interactions → L-Tryptophan 1,000 mg by AN Amazing Nutrition Amazing Formulas Tablet Or Pill 120 Tablet(s) UPC 8 19209 02195 8 Ingredients & interactions → L-Tryptophan 1,000 mg by Source Naturals Tablet Or Pill 90 Tablet(s) UPC 0 21078 02610 5 Ingredients & interactions → L-Tryptophan 1000 mg by The Vitamin Shoppe Tablet Or Pill 60 Tablet(s) UPC 7 66536 02539 8 Off market Ingredients & interactions → L-Tryptophan 1000 mg by SuperSmart Tablet Or Pill 120 Tablet(s) UPC 5 453003 824411 Off market Ingredients & interactions → L-Tryptophan 1000 mg by AN Amazing Nutrition Amazing Formulas Tablet Or Pill 60 Tablet(s) UPC 8 10180 02375 7 Ingredients & interactions → L-Tryptophan 1000 mg by Best Naturals Tablet Or Pill 60 Tablet(s) UPC 8 17716 01583 5 Ingredients & interactions → L-Tryptophan 1000 mg by Protocol For Life Balance Tablet Or Pill 60 Tablet(s) UPC 7 07359 10169 2 Off market Ingredients & interactions → L-Tryptophan 1000 mg by NOW Tablet Or Pill 60 Tablet(s) UPC 7 33739 00169 6 Off market Ingredients & interactions → L-Tryptophan 1500 mg by NusaPure Capsule 200 Veg Cap(s) UPC X001WQ419D Ingredients & interactions → L-Tryptophan 500 mg by AN Amazing Nutrition Amazing Formulas Capsule 60 Capsule(s) UPC 8 10180 02784 7 Ingredients & interactions → L-Tryptophan 500 mg by Jarrow Formulas Capsule 60 Veggie Cap(s) UPC 7 90011 15056 5 Off market Ingredients & interactions → L-Tryptophan 500 mg by Protocol for Life Balance Capsule 60 Vcap(s)(R) UPC 7 07359 10166 1 Off market Ingredients & interactions → L-Tryptophan 500 mg by Source Naturals Capsule 120 Capsule(s) UPC 0 21078 01985 5 Off market Ingredients & interactions → L-Tryptophan 500 mg by NOW Capsule 60 Veg Capsule(s) UPC 7 33739 00166 5 Ingredients & interactions → L-Tryptophan 500 mg by The Vitamin Shoppe Capsule 60 Veggie Capsule(s) UPC 7 66536 02537 4 Off market Ingredients & interactions → L-Tryptophan 500 mg by DC Capsule 60 Vcap(s) Ingredients & interactions →
📷 Scan a Supplement Facts label Snap the panel and we’ll read the ingredients and check them against your meds. ⚕️ Check a drug × supplement interaction Pick a medication and a supplement to see a severity-graded, cited verdict. 🌿 Browse ingredients Explore 1,452 ingredients with interaction data.

🔥 Popular products to explore

A fresh pick of products worth a look — it rotates daily, and rises with what people are viewing.

  1. 1 ArginMaxby GNC Women's
  2. 2 Calcium Aspartateby BulkSupplements.com
  3. 3 Calcium Citrate Magnesium and Zincby Kirkland Signature
  4. 4 Fenugreek & Thymeby Nature's Sunshine
  5. 5 Muscle Force Maxby Herbal Nutrition
  6. 6 Omega Gen Vby Immunotec
  7. 7 Tabasco Pepperby Hawaii Pharm
  8. 8 Vitamin K2 MK-7 100 mcgby Nutricost
  9. 9 (C)Lean Boost 495 mgby Jane Health
  10. 10 + Creatineby care/of

🆕 What’s new

The latest supplement products added to our catalog — each one ready to check against your medications.

Refreshed ZBiotics Pre-Alcohol Probiotic Drink ZBiotics Pre-Alcohol Probiotic Drink by ZBiotics Refreshed Aug 30 1 ingredient Check this product → MINDBODYSKIN 2 Hormonal Acne Supplement (No 5-HTP) MINDBODYSKIN 2 Hormonal Acne Supplement (No 5-HTP) by CLEARSTEM Added Aug 3 10 ingredients Check this product → Rho Nutrition Liposomal DIM+ Liquid Rho Nutrition Liposomal DIM+ Liquid by Rho Nutrition Added Jul 29 2 ingredients Check this product → Peach Perfect Hormone Hero Women's Daily Multivitamin Peach Perfect Hormone Hero Women's Daily Multivitamin by Peach Perfect Added Jul 29 6 ingredients Check this product → DIM Supplement 300mg with Black Pepper DIM Supplement 300mg with Black Pepper by Deal Supplement Added Jul 29 2 ingredients Check this product → Refreshed Apple Cider Vinegar Gummies - 60 Gummies Apple Cider Vinegar Gummies - 60 Gummies by WEEM Refreshed Jul 27 5 ingredients Check this product → DIM SGS+: DIM, Hormone + Detox DIM SGS+: DIM, Hormone + Detox by Simlike Added Jul 27 3 ingredients Check this product → Grassfed Beef Liver 4500mg Desiccated Capsules Grassfed Beef Liver 4500mg Desiccated Capsules by Carlyle Added Jul 27 1 ingredient Check this product → Lymphatic Drainage Drops for Bloat Relief & De-Puff Lymphatic Drainage Drops for Bloat Relief & De-Puff by LYMPHORIA Added Jul 23 4 ingredients Check this product → DripDrop Hydration Packets - Juicy Variety Pack - Single Serve Electrolytes Powder Drink Mix - Grape, Fruit Punch, Strawberry Lemonade, Cherry DripDrop Hydration Packets - Juicy Variety Pack - Single Serve Electrolytes Powder Drink Mix - Grape, Fruit Punch, Strawberry Lemonade, Cherry by DripDrop Added Jul 22 5 ingredients Check this product →
Dr. Brian Staiger, PharmD

Curated & reviewed by Dr. Brian Staiger, PharmD, BCPS and the HelloPharmacist pharmacy team.

Interaction data is built on Natural Medicines (Therapeutic Research Center) and official product labels from the NIH Dietary Supplement Label Database. Our data sources · Editorial Policy.

This directory is for information only and does not replace professional medical advice. It may not capture every possible interaction. Always confirm with your pharmacist or doctor before starting, stopping, or changing any medication or supplement.