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.

🥇 Calcium is the most common supplement ingredient — found in ~38,000 products.
💊 We track 214,830 supplement products from 5,893 brands.
📦 The most common form is capsule (80,000 products).
🌿 1,452 ingredients carry pharmacist-reviewed interaction data.
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Type a product, brand, ingredient/herb, DSLD ID, or a barcode (UPC) and jump straight to its page. This finds pages — it doesn’t check interactions.

AI points you to pages in our database. Confirm the exact product on its page. How we use AI

⚕️ Trying to check whether a drug interacts with a supplement? Our interaction checker answers that directly. Open the checker
The data at a glance

The 214,830-product catalog at a glance

Biggest brands

Brands with the most products in our directory. Tap to see all their products.

5,893brands tracked
~36products per brand, on average
5,595from BulkSupplements.com — the biggest

Product forms

How the supplements in our directory are delivered.

8 forms
  • Capsule 38%
  • Powder 17%
  • Tablet Or Pill 15%
  • Liquid 15%
  • Softgel Capsule 9%
  • Other (e.g. Tea Bag) 3%
  • Gummy Or Jelly 2%
  • Lozenge 0%

Browse every product

Switch to ingredients →
Showing products starting with “L” (10,537) Clear ×
L-Theanine 150 mg by Solgar Capsule 60 Vegetable Capsule(s) UPC 0 33984 02706 0 Off market Ingredients & interactions → L-Theanine 150 mg by BIOVEA Capsule 60 Vegetarian Capsule(s) UPC 8 18423 02287 1 Ingredients & interactions → L-Theanine 150 mg by Bluebonnet Capsule 60 Vegetable Capsule(s) UPC 7 43715 00091 9 Off market Ingredients & interactions → L-Theanine 150 mg by Doctor's Best Capsule 90 Veggie Cap(s) UPC 7 53950 00197 8 Ingredients & interactions → L-Theanine 200 mg by GNC Capsule 60 Capsule(s) UPC 0 48107 12281 2 Ingredients & interactions → L-Theanine 200 mg by Bronson Capsule 360 Capsule(s) UPC X001SP1N7B Ingredients & interactions → L-Theanine 200 mg by Health Thru Nutrition Naturally Capsule 120 Vegecap(s) UPC 8 19193 02080 7 Ingredients & interactions → L-Theanine 200 mg by Nature's Trove Capsule 120 Vegetarian Capsule(s) UPC 6 86149 70004 1 Ingredients & interactions → L-Theanine 200 mg by Woodstock Vitamins Capsule 60 Vegan Capsule(s) UPC 7 19985 75331 2 Ingredients & interactions → L-Theanine 200 mg by Source Naturals Serene Science Capsule 60 Capsule(s) UPC 0 21078 01646 5 Ingredients & interactions → L-Theanine 200 mg by Bluebonnet Capsule 30 Vegetable Capsule(s) UPC 7 43715 00089 6 Ingredients & interactions → L-Theanine 200 mg by Protocol For Life Balance Capsule 60 Veg Capsule(s) UPC 7 07359 10147 0 Off market Ingredients & interactions → L-Theanine 200 mg by Vitamer Laboratories Capsule 60 Vegetarian Capsules UPC 7 19985 75331 2 Ingredients & interactions → L-Theanine 200 mg by NutraBio Capsule 90 V-Cap(s) UPC 6 49908 24516 0 Off market Ingredients & interactions → L-Theanine 200 mg by Nature's Way Capsule 60 Veg Capsule(s) UPC 7 63948 09556 8 Off market Ingredients & interactions → L-Theanine 200 mg by The Vitamin Shoppe Capsule 60 Vegetable Capsule(s) UPC 7 66536 02760 6 Ingredients & interactions → L-Theanine 200 mg by Village Vitality Capsule 60 Vegetarian Capsule(s) UPC 7 19985 75331 2 Off market Ingredients & interactions → L-Theanine 200 mg by SR Sports Research Softgel Capsule 60 Softgel(s) UPC 0 23249 01017 3 Ingredients & interactions → L-Theanine 200 mg by Advance Physician Formulas Capsule 60 Vegetable Capsule(s) UPC 8 96996 00040 3 Ingredients & interactions → L-Theanine 200 mg by Evlution Nutrition Capsule 60 Veggie Capsule(s) UPC 8 18901 02741 1 Ingredients & interactions → L-Theanine 200 mg by DaVinci Laboratories Capsule 60 Capsule(s) UPC 0 26664 21326 6 Off market Ingredients & interactions → L-Theanine 200 mg by Nature's Truth Capsule 60 Quick Release Capsule(s) UPC 8 40093 10194 5 Ingredients & interactions → L-Theanine 200 mg by Longevity Medical Clinic Capsule 60 Veg Capsule(s) Ingredients & interactions → L-Theanine 200 mg by tnvitamins Capsule 60 Capsule(s) UPC 0 95234 26360 4 Ingredients & interactions → L-Theanine 200 mg by California Gold Nutrition Capsule 60 Veggie Capsule(s) UPC 8 98220 01242 8 Ingredients & interactions → L-Theanine 200 mg by Nature's Lab Capsule 60 Capsule(s) UPC 8 18014 01402 5 Ingredients & interactions → L-Theanine 200 mg by Vitamin World Capsule 60 Rapid Release Capsule(s) UPC 7 66443 12880 9 Ingredients & interactions → L-Theanine 200 mg by Nutricost Capsule 120 Capsule(s) UPC 7 02669 93194 6 Off market Ingredients & interactions → L-Theanine 200 mg by Vital Nutrients Capsule 60 Vegetarian Capsule(s) UPC 6 93465 26311 2 Ingredients & interactions → L-Theanine 200 mg by Puritan's Pride Capsule 30 Rapid Release Capsule(s) UPC 0 25077 12881 5 Ingredients & interactions → L-Theanine 200 mg by Source Naturals Tablet Or Pill 30 Tablet(s) UPC 0 21078 01498 0 Ingredients & interactions → L-Theanine 200 mg by Lamberts Healthcare Tablet Or Pill 60 Tablet(s) UPC 5 055148 405397 Ingredients & interactions → L-Theanine 200 mg by AN Amazing Nutrition Amazing Formulas Capsule 120 Vcap(s) UPC L-Theanine 200 mg Ingredients & interactions → L-Theanine 200 mg by VitaCeutical Labs Capsule 60 Vegetarian Capsules UPC 7 19985 75331 2 Off market Ingredients & interactions → L-Theanine 200 mg by Hard Rhino Capsule 240 Capsule(s) UPC 7 98711 49892 5 Ingredients & interactions → L-Theanine 200 mg by Superior Source Tablet Or Pill 100 MicroLingual(R) Instant Dissolve Tablet(s) Ingredients & interactions → L-Theanine 200 mg by Absorb Health Capsule 100 Capsule(s) UPC 0 25706 83457 5 Ingredients & interactions → L-Theanine 200 mg by Country Life Capsule 60 Vegan Capsule(s) UPC 0 15794 01412 6 Ingredients & interactions →

🆕 What’s new

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

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.