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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-Arginine HCl 1000 mg Capsules by BulkSupplements.com Capsule 120 Capsule(s) UPC X003GTHMVD Ingredients & interactions → L-Arginine HCl 500 mg by Windmill Capsule 50 Capsule(s) UPC 0 35046 00452 1 Ingredients & interactions → L-Arginine HCL 700 mg by Klaire Labs Capsule 100 Vegetarian Capsule(s) UPC 8 28054 01040 6 Ingredients & interactions → L-Arginine HCL Capsules 5000 mg by BulkSupplements.com Capsule 240 Capsule(s) UPC X003GTHMVD Ingredients & interactions → L-Arginine HCl Tropical Flavor by The Vitamin Shoppe Powder 14.4 oz. · 407 Gram(s) UPC 7 66536 03724 7 Ingredients & interactions → L-Arginine L-Citrulline 1000 mg by Amazing Muscle Tablet Or Pill 120 Tablet(s) UPC 8 19209 02298 6 Ingredients & interactions → L-Arginine L-Citrulline 1000 mg by Nova Nutritions Tablet Or Pill 120 Tablet(s) UPC 7 32363 27315 8 Ingredients & interactions → L-Arginine L-Citrulline Complex by Source Naturals Tablet Or Pill 120 Tablet(s) UPC 0 21078 02043 1 Ingredients & interactions → L-Arginine L-Citrulline Complex 1,000 mg by Source Naturals Tablet Or Pill 120 Tablet(s) UPC 0 21078 02043 1 Off market Ingredients & interactions → L-Arginine L-Citrulline Complex 1000 mg by BIOVEA Tablet Or Pill 60 Tablet(s) UPC 6 89076 03468 5 Off market Ingredients & interactions → L-Arginine L-Citrulline Complex 1000 mg by Best Naturals Tablet Or Pill 250 Tablet(s) UPC 8 17716 01152 3 Ingredients & interactions → L-Arginine L-Ornithine by GNC Pro Performance Tablet Or Pill 60 Tablet(s) UPC 0 48107 03972 1 Off market Ingredients & interactions → L-Arginine L-Ornithine by Best Naturals Tablet Or Pill 120 Tablet(s) UPC 8 17716 01884 3 Ingredients & interactions → L-Arginine L-Ornithine 1,500 mg by AN Amazing Nutrition Amazing Formulas Capsule 120 Capsule(s) UPC 0 19209 02612 0 Ingredients & interactions → L-Arginine L-Ornithine 2500 by GNC Pro Performance Tablet Or Pill 60 Tablet(s) UPC 0 48107 03972 1 Ingredients & interactions → L-Arginine L-Ornithine 500 mg / 250 mg by Solgar Capsule 50 Vegetable Capsule(s) UPC 0 33984 00160 2 Off market Ingredients & interactions → L-Arginine L-Ornithine 500 mg/250 mg by Solgar Capsule 50 Vegetable Capsule(s) UPC 0 33984 00160 2 Off market Ingredients & interactions → L-Arginine L-Ornithine 500/250 by Solgar Capsule 50 Vegetable Capsule(s) UPC 0 33984 00160 2 Off market Ingredients & interactions → L-Arginine L-Ornithine 750 mg by BIOVEA Capsule 100 Vegetarian Capsule(s) UPC 8 18423 02275 8 Ingredients & interactions → L-Arginine L-Ornithine Caps by Country Life Capsule 60 Capsule(s) UPC 0 15794 01035 7 Off market Ingredients & interactions → L-Arginine L-Ornithine Hydrochloride Caps by Country Life Capsule 60 Capsule(s) UPC 0 15794 01035 7 Off market Ingredients & interactions → L-Arginine L-Ornithine Hydrochloride Caps 1000 mg by Country Life Capsule 90 Vegetarian Capsule(s) UPC 0 15794 01036 4 Off market Ingredients & interactions → L-Arginine L-Ornithine L-Lysine by Good 'N Natural Tablet Or Pill 50 Tablet(s) UPC 0 74312 43942 1 Off market Ingredients & interactions → L-Arginine L-Ornithine L-Lysine Complex by Puritan's Pride Other (e.g. Tea Bag) 60 Coated Caplet(s) UPC 0 74312 13940 6 Ingredients & interactions → L-Arginine L-Pyroglutamate by BulkSupplements.com Powder 100 Gram(s) · 3.5 oz UPC X000PBBWBV Ingredients & interactions → L-Arginine L-Pyroglutamate (APG) by PureBulk.com Powder 100 g · 3.53 oz. Ingredients & interactions → L-Arginine Liposomal Liquid Drops 1000 mg Mixed Berry Flavor by Drops of Nature Liquid 2 Fluid Ounce(s) · 60 mL Ingredients & interactions → L-Arginine Malate by PureBulk.com Powder 100 g · 3.53 oz. Ingredients & interactions → L-Arginine Plus by Thorne Capsule 180 Capsule(s) UPC 6 93749 52601 8 Ingredients & interactions → L-Arginine Plus Grape by Elements of Health Care Powder 13.4 Ounce(s) · 380 Gram(s) UPC 8 52433 00601 8 Ingredients & interactions → L-Arginine Powder by Carlson Powder 3.53 Ounce(s) · 100 Gram(s) UPC 0 88395 06735 8 Off market Ingredients & interactions → L-Arginine Powder by NOW Sports Powder 1 lb · 454 Gram(s) UPC 7 33739 00210 5 Off market 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 Animal Pakby Animal
  2. 2 Co-QH2 Ubiquinol 100 mgby Carlson
  3. 3 Colon Cleanse Max Super Fiber Blendby Health Plus
  4. 4 Fatigued to Fantastic! Energy Revitalization System Tropical Citrus Flavorby Nature's Way
  5. 5 Fish Oil 1200 mgby Nature Made
  6. 6 Spiru-Tein High Protein High Energy Meal Cookies & Creamby Nature's Plus
  7. 7 Total Restoreby Gundry MD
  8. 8 UltraCleanse Plusby Akasha Naturals
  9. 9 1,000 mg Vitamin C Chewables Orange Blastby Emergen-C
  10. 10 1 Liver & Organ Quick Detoxby Nature's Plus

🆕 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.