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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 “N” (6,356) Clear ×
Niacin 100 mg by Natures Plus Tablet Or Pill 90 Tablet(s) UPC 0 97467 01850 1 Ingredients & interactions → Niacin 100 mg by Natural Factors Tablet Or Pill 90 Tablet(s) UPC 0 68958 01220 9 Off market Ingredients & interactions → Niacin 100 mg by Equaline Tablet Or Pill 100 Tablet(s) UPC 0 41163 26633 9 Ingredients & interactions → Niacin 100 mg by Solgar Tablet Or Pill 100 Tablet(s) UPC 0 33984 01860 0 Off market Ingredients & interactions → Niacin 100 mg by Bluebonnet Capsule 90 Vegetable Capsule(s) UPC 7 43715 00459 7 Ingredients & interactions → Niacin 100 mg by Douglas Laboratories Tablet Or Pill 100 Tablet(s) UPC 3 10539 01371 7 Ingredients & interactions → Niacin 100 mg by VitaCeutical Labs Tablet Or Pill 100 Vegetarian Tablet(s) UPC 7 19985 22240 5 Ingredients & interactions → Niacin 100 mg by Solaray Capsule 100 VegCap(s) UPC 0 76280 04359 4 Ingredients & interactions → Niacin 100 mg Capsule by VitalBulk Capsule Off market Ingredients & interactions → Niacin 100 mg Nicotinc Acid by Nature's Way Capsule 100 Capsule(s) UPC 0 33674 40470 6 Off market Ingredients & interactions → Niacin 100 mg Nicotinic Acid by Douglas Laboratories Tablet Or Pill 250 Tablet(s) UPC 3 10539 01351 9 Ingredients & interactions → Niacin 100 mg Tablet by VitalBulk Tablet Or Pill Off market Ingredients & interactions → Niacin 100 mg Vitamin B-3 by Martin Avenue Pharmacy Tablet Or Pill 100 Tablet(s) Ingredients & interactions → Niacin 1000 mg by VitalBulk Capsule Off market Ingredients & interactions → Niacin 25 mg by Dr. Clark Research Association Dr. Clark Zentrum Capsule 100 Capsule(s) UPC 7 640116 929562 Ingredients & interactions → Niacin 25 mg by Natural Grocers by Vitamin Cottage Capsule 90 Vegetarian Capsule(s) UPC 8 49327 00321 5 Ingredients & interactions → Niacin 250 by Patient One 1 MediNutritionals Capsule 90 Vegetarian Capsule(s) UPC 8 53959 00420 5 Ingredients & interactions → Niacin 250 mg by Major Capsule 100 Capsule(s) UPC 3 09040 62960 9 Ingredients & interactions → Niacin 250 mg by Exchange Select X Tablet Or Pill 100 Tablet(s) UPC 6 14299 40454 0 Off market Ingredients & interactions → Niacin 250 mg by 21st Century Tablet Or Pill 110 Tablet(s) UPC 7 40985 22849 4 Ingredients & interactions → Niacin 250 mg by The Vitamin Shoppe Capsule 100 Capsule(s) UPC 7 66536 01208 4 Off market Ingredients & interactions → Niacin 250 mg by GNC Tablet Or Pill 100 Vegetarian Tablet(s) UPC 0 48107 20582 9 Ingredients & interactions → Niacin 250 mg by Finest Nutrition Capsule 90 Capsule(s) Ingredients & interactions → Niacin 250 mg by Time Cap Labs Capsule UPC 3 49483-014-01 Ingredients & interactions → Niacin 250 mg by Vitamin World Tablet Or Pill 250 Easy To Swallow Coated Tablet(s) UPC 0 74312 70723 0 Ingredients & interactions → Niacin 250 mg by Solgar Tablet Or Pill 100 Tablet(s) UPC 0 33984 01848 8 Off market Ingredients & interactions → Niacin 250 mg by Sundown Naturals Capsule 90 Capsule(s) UPC 0 30768 03993 6 Off market Ingredients & interactions → Niacin 250 mg by Pure Naturals Capsule 180 Capsule(s) UPC 8 19070 01441 7 Ingredients & interactions → Niacin 250 mg Sustained Release by Bronson Tablet Or Pill 100 Tablet(s) UPC 7 16563 02901 2 Ingredients & interactions → Niacin 250 mg Sustained Release by Bronson Laboratories Tablet Or Pill 250 Tablet(s) UPC 7 16563 02902 9 Ingredients & interactions → Niacin 250 mg Time Release by Sundown Naturals Capsule 90 Capsule(s) UPC 0 30768 03993 6 Ingredients & interactions → Niacin 250 mg Timed Release by Puritan's Pride Capsule 180 Timed Release Capsule(s) UPC 0 74312 15801 8 Off market Ingredients & interactions → Niacin 250 mg Timed-Released by Solaray Capsule 100 VegCap(s) UPC 0 76280 57739 6 Ingredients & interactions → Niacin 300 mg by BIOVEA Capsule 120 Vegetarian Capsule(s) UPC 8 18423 02336 6 Ingredients & interactions → Niacin 400 mg by Viva Vitamins Tablet Or Pill 100 Tablet(s) UPC 7 26899 24474 4 Ingredients & interactions → Niacin 400 mg by Country Life Capsule 90 Vegan Capsule(s) UPC 0 15794 06591 3 Ingredients & interactions → Niacin 50 mg by Nature's Blend Tablet Or Pill 100 Tablet(s) UPC 0 79854 20125 3 Ingredients & interactions → Niacin 50 mg by Carlson Tablet Or Pill 300 Tablet(s) UPC 0 88395 02763 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.

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  4. 4 Organic 100% Pure Maca Root Powderby Maca Magic
  5. 5 SizeGenix Extreme Size Boosterby Incredible Health Decisions
  6. 6 Super B-Complex With Electrolytesby Kirkland Signature
  7. 7 Tabasco Pepperby Hawaii Pharm
  8. 8 Zytenzby Synergistic Nutritional Compounds
  9. 9 +Women Menopause Balance Complexby Shaklee
  10. 10 #Shatter SX-7 Black Onyx Icy Rocket Freezeby MuscleTech

🆕 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.