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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 500 mg by NOW Tablet Or Pill 250 Tablet(s) UPC 7 33739 00482 6 Ingredients & interactions → Niacin 500 mg by Rugby Tablet Or Pill 1000 Tablet(s) UPC 0 05364 07810 8 Ingredients & interactions → Niacin 500 mg by Major Other (e.g. Tea Bag) 250 Caplet(s) UPC 3 09044 34270 2 Ingredients & interactions → Niacin 500 mg by Solaray Capsule 100 Veg Cap(s) UPC 0 76280 04363 1 Ingredients & interactions → Niacin 500 mg by Mason Natural Tablet Or Pill 100 Tablet(s) UPC 3 11845 05801 0 Ingredients & interactions → Niacin 500 mg by 21st Century Tablet Or Pill 100 Tablet(s) UPC 7 40985 27474 3 Off market Ingredients & interactions → Niacin 500 mg by Solgar Capsule 250 Vegetable Capsule(s) UPC 0 33984 01852 5 Off market Ingredients & interactions → Niacin 500 mg by Vitamin World Other (e.g. Tea Bag) 100 Coated Caplet(s) UPC 7 66443 18645 8 Ingredients & interactions → Niacin 500 mg by GNC Tablet Or Pill 240 Vegetarian Tablet(s) UPC 0 48107 20575 1 Ingredients & interactions → Niacin 500 mg by Natrol Tablet Or Pill 100 Tablet(s) UPC 0 47469 04835 8 Ingredients & interactions → Niacin 500 mg by Vital Nutrients Tablet Or Pill 90 Extended Release Tablet(s) UPC 6 93465 54311 5 Off market Ingredients & interactions → Niacin 500 mg by Finest Nutrition Capsule 120 Capsule(s) UPC 3 11917 13955 5 Ingredients & interactions → Niacin 500 mg by Sundown Other (e.g. Tea Bag) 200 Time Release Caplet(s) UPC 0 30768 29505 9 Ingredients & interactions → Niacin 500 mg by Seeking Health Tablet Or Pill 100 Tablet(s) UPC 8 28054 14725 6 Ingredients & interactions → Niacin 500 mg by Sundown Naturals Other (e.g. Tea Bag) 200 Time Release Caplet(s) UPC 0 30768 29505 9 Off market Ingredients & interactions → Niacin 500 mg by Windmill Natural Vitamins Tablet Or Pill 30 Tablet(s) UPC 0 35046 00336 4 Off market Ingredients & interactions → Niacin 500 mg by Best Naturals Tablet Or Pill 250 Tablet(s) UPC 8 17716 01558 3 Ingredients & interactions → Niacin 500 mg by Carlson Tablet Or Pill 100 Tablet(s) UPC 0 88395 02781 9 Off market Ingredients & interactions → Niacin 500 mg by Thompson Tablet Or Pill 30 Tablet(s) UPC 0 31315 19215 9 Ingredients & interactions → Niacin 500 mg by VitalBulk Capsule Off market Ingredients & interactions → Niacin 500 mg by VitaCeutical Labs Tablet Or Pill 100 Vegetarian Tablet(s) UPC 7 19985 22340 2 Ingredients & interactions → Niacin 500 mg by Swanson Capsule 250 Capsule(s) UPC 0 87614 01047 2 Ingredients & interactions → Niacin 500 mg by Dr. Berg Capsule 100 Capsule(s) Ingredients & interactions → Niacin 500 mg Capsule by VitalBulk Capsule UPC 8 52674 62001 1 Off market Ingredients & interactions → Niacin 500 mg Flush Free by Nature's Truth Capsule 100 Quick Release Capsule(s) UPC 8 40093 10113 6 Ingredients & interactions → Niacin 500 mg Flush Free Formula by Good Neighbor Pharmacy Capsule 100 Capsule(s) UPC 0 87701 40736 9 Ingredients & interactions → Niacin 500 mg Sustained Release by NOW Tablet Or Pill 100 Tablet(s) UPC 7 33739 00480 2 Off market Ingredients & interactions → Niacin 500 mg Sustained Release by Bronson Tablet Or Pill 100 Tablet(s) UPC 7 16563 12801 2 Ingredients & interactions → Niacin 500 mg Time Release by Sundown Naturals Other (e.g. Tea Bag) 200 Caplet(s) UPC 0 30768 29505 9 Off market Ingredients & interactions → Niacin 500 mg Time Released by Sundown Naturals Other (e.g. Tea Bag) 60 Caplet(s) UPC 0 30768 60748 7 Ingredients & interactions → Niacin 500 mg Timed Release by Sundown Naturals Other (e.g. Tea Bag) 200 Caplet(s) UPC 0 30768 29505 9 Off market Ingredients & interactions → Niacin 500 mg Timed Release by Wonder Laboratories Tablet Or Pill 300 Tablet(s) Ingredients & interactions → Niacin 500 mg Timed Release by Nature's Blend Tablet Or Pill 300 Tablet(s) UPC 0 79854 10080 8 Ingredients & interactions → Niacin 500 mg Vitamin B-3 by NOW Capsule 100 Capsule(s) UPC 7 33739 00481 9 Off market Ingredients & interactions → Niacin 500 Vitamin B3 500 mg by Dr. Clark Store Capsule 100 Capsule(s) UPC 6 52384 10545 3 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 Burbur Pinellaby NutraMedix
  2. 2 C4 Ultimate On The Go Arctic Snow Coneby Cellucor
  3. 3 ExtenZeby ExtenZe
  4. 4 Memory + Focusby Swisse Ultiboost
  5. 5 Probiotic Elevenby Nature's Sunshine
  6. 6 Super Greensby Nature's Bounty
  7. 7 Total Fat Burnby Mancore
  8. 8 Zytenzby Synergistic Nutritional Compounds
  9. 9 +Bone Chewable Cal Mag Plus Natural Berry Flavorby Shaklee
  10. 10 1 Fl Oz Concentrateby Total Eclipse

🆕 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.