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.
Find a page

Find any product in the directory

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 by Enzymatic Therapy Capsule 60 Veg Capsule(s) UPC 7 63948 09556 8 Off market Ingredients & interactions → L-Theanine by XYMOGEN Capsule 60 Vegetable Capsule(s) Ingredients & interactions → L-Theanine by NutraBio Powder 5.3 oz · 150 grams UPC 6 49908 24510 8 Ingredients & interactions → L-Theanine by Douglas Laboratories Capsule 60 Vegetarian Capsule(s) UPC 3 10539 01950 4 Off market Ingredients & interactions → L-Theanine by DaVinci Laboratories Of Vermont Capsule 120 Capsule(s) · 200 mg UPC 0 26664 21321 1 Off market Ingredients & interactions → L-Theanine by Integrative Therapeutics Capsule 60 ULTRACAPS (TM) UPC 8 71791 00156 5 Off market Ingredients & interactions → L-Theanine by Pure Encapsulations Capsule 120 Capsule(s) UPC 7 66298 00541 6 Off market Ingredients & interactions → L-Theanine by Metabolic Maintenance Capsule 120 Capsule(s) · 200 mg UPC 8 38287 00147 8 Ingredients & interactions → L-Theanine by PureFormulas Capsule 60 Vegetarian Capsule(s) UPC PUF1012 Off market Ingredients & interactions → L-Theanine by Klaire Labs Capsule 60 Vegetarian Capsule(s) UPC 8 28054 01146 5 Ingredients & interactions → L-Theanine by NOW Powder 1 oz. · 28 Gram(s) UPC 7 33739 00262 4 Ingredients & interactions → L-Theanine by Higher Nature Capsule 28 Strip(s) UPC 5 031013 108761 Ingredients & interactions → L-Theanine by BulkSupplements.com Powder 50 Gram(s) · 1.76 Oz(s) UPC X000HFGS3H Ingredients & interactions → L-Theanine by NuMedica Capsule 120 Vegetable Capsule(s) UPC 8 12527 01235 6 Ingredients & interactions → L-Theanine by Hard Rhino Powder 500 Gram(s) · 1.1 lbs UPC 8 18132 47203 1 Ingredients & interactions → L-Theanine by Prescribed Choice Capsule 60 Vegetarian Capsule(s) UPC 7 10013 80025 1 Ingredients & interactions → L-Theanine by OL Olympian Labs Incorporated Capsule 60 Capsule(s) UPC 7 10013 03231 7 Off market Ingredients & interactions → L-Theanine by Herbadiet Capsule 60 V Cap(s) UPC 5113336165256 Ingredients & interactions → L-Theanine by PureBulk.com Powder 25 g · 0.88 oz. Ingredients & interactions → L-Theanine by Pure Capsule 365 Capsule(s) Ingredients & interactions → L-Theanine by Ortho Molecular Products Capsule 60 Capsule(s) UPC 6 15033 00834 5 Ingredients & interactions → L-Theanine by ProThera Capsule 60 Capsule(s) UPC 8 28054 01146 5 Off market Ingredients & interactions → L-Theanine by SuperiorLabs Capsule 90 Vegetable Capsule(s) UPC 8 50569 00619 3 Off market 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.