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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 ×
Niacinamide 500 mg by Nature's Way Capsule 100 Capsule(s) UPC 0 33674 40480 5 Ingredients & interactions → Niacinamide 500 mg by The Vitamin Shoppe Capsule 300 Capsule(s) UPC 7 66536 01533 7 Off market Ingredients & interactions → Niacinamide 500 mg by SuperSmart Capsule 180 Vegetarian Capsule(s) Off market Ingredients & interactions → Niacinamide 500 mg by Bluebonnet Capsule 60 Vegetable Capsule(s) UPC 7 43715 00466 5 Ingredients & interactions → Niacinamide 500 mg by Wonder Laboratories Capsule 250 Capsule(s) UPC 0 99528 71525 1 Ingredients & interactions → Niacinamide 500 mg by 21st Century Tablet Or Pill 110 Tablet(s) UPC 7 40985 22550 9 Ingredients & interactions → Niacinamide 500 mg by Solaray Capsule 100 VegCap(s) UPC 0 76280 04365 5 Ingredients & interactions → Niacinamide 500 Milligrams by NutraBio Capsule 120 V-Cap(s) UPC 6 49908 52086 1 Off market Ingredients & interactions → Niacinamide 550 mg by Solgar Capsule 100 Vegetable Capsule(s) UPC 0 33984 01890 7 Off market Ingredients & interactions → Niacinamide 650 mg by BulkSupplements.com Capsule 300 Capsule(s) UPC X000RVJ35L Ingredients & interactions → Niacinamide 750 mg by Vital Nutrients Capsule 120 Vegetarian Capsule(s) UPC 6 93465 53811 1 Ingredients & interactions → Niacinamide B-3 100 mg by Source Naturals Tablet Or Pill 250 Tablet(s) UPC 0 21078 00504 9 Ingredients & interactions → Niacinamide B3 Powder by PureBulk.com Powder 250 Gram(s) · 8.82 oz. Ingredients & interactions → Niacinamide Capsules 500 mg by O Orgeuos Capsule 120 Vegetarian Capsule(s) Ingredients & interactions → Niacinamide Pure Powder by Best Naturals Powder 8 Ounce(s) · 227 Gram(s) UPC 8 17716 01829 4 Ingredients & interactions → Niacinamide Vitamin B-3 500 mg by NOW Capsule 100 Capsule(s) UPC 7 33739 00478 9 Off market Ingredients & interactions → Niacinamide Vitamin B3 50 mg by Dr. Mercola Tablet Or Pill 270 Tablet(s) UPC 8 10094 21268 1 Ingredients & interactions → Niacinamide Vitamin B3 500 mg Capsules by BulkSupplements.com Capsule 240 Capsule(s) UPC X003F3EQ91 Ingredients & interactions → Niacinate by Douglas Laboratories Tablet Or Pill 90 Tablet(s) UPC 7 45287 02012 8 Off market Ingredients & interactions → Niacinate-400 by Douglas Laboratories Capsule 120 Capsule(s) UPC 3 10539 01166 9 Ingredients & interactions → Niacinate-400 (Inositol Hexaniacinate) by Douglas Laboratories Capsule 120 Capsule(s) UPC 3 10539 01166 9 Off market Ingredients & interactions → Niacitol 500 mg by Pure Encapsulations Capsule 60 Capsule(s) UPC 7 66298 00195 1 Off market Ingredients & interactions → Niacitol 650 mg by Pure Encapsulations Capsule 180 Capsule(s) UPC 7 66298 11500 9 Off market Ingredients & interactions → Niadoxene Select by Moss Nutrition Capsule 100 Vegetarian Capsule(s) UPC M077 Off market Ingredients & interactions → Niagra by Everyday Health Capsule 60 Capsule(s) UPC 9 421904 081260 Ingredients & interactions → Nialipin by Cardiovascular Research Capsule 60 Capsule(s) Ingredients & interactions → Nialipin 400 mg by Cardiovascular Research Tablet Or Pill 60 Tablet(s) UPC 6 96859 13163 9 Ingredients & interactions → NiaPlex by Karuna Capsule 120 Vegetarian Capsule(s) UPC 0 18647 01209 6 Ingredients & interactions → Niasafe-600 by Thorne Research Capsule 60 Vegetarian Capsule(s) UPC 6 93749 11302 7 Off market Ingredients & interactions → Niatab 500 by Douglas Laboratories Tablet Or Pill 100 Tablet(s) UPC 7 45287 02013 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 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.