Supplement brand
Douglas Laboratories
Every Douglas Laboratories supplement product in our database — with full label data and a pharmacist-reviewed check for interactions with your medications.
3,067Products
1,443On the market
8Dosage forms
What's inside
Ingredients Douglas Laboratories uses most
The ingredients that appear across Douglas Laboratories products. Tap one to see how it interacts with medications.
The full range
Douglas Laboratories products
Open any product to see its complete ingredient list and every drug interaction we check for it.
Capsule · 836
Tablet Or Pill · 421
Softgel Capsule · 74
Powder · 70
Other (e.g. Tea Bag) · 58
Liquid · 35
Gummy Or Jelly · 4
Lozenge · 2
Nia Plus
View ingredients & interactions
Nia-Chrome
View ingredients & interactions
Nia-Chrome Forte
View ingredients & interactions
Niacin 100 mg
View ingredients & interactions
Niacin 100 mg Nicotinic Acid
View ingredients & interactions
Niacin T.R. 400 mg
View ingredients & interactions
Niacin T.R. 400 mg
View ingredients & interactions
Niacinamide 500 mg
View ingredients & interactions
Niacinate
View ingredients & interactions
Niacinate-400
View ingredients & interactions
Niacinate-400 (Inositol Hexaniacinate)
View ingredients & interactions
Niatab 500
View ingredients & interactions
Nopal Cactus
View ingredients & interactions
Norwegian Cod Liver Oil 10 Minims
View ingredients & interactions
Nutri-A-25
View ingredients & interactions
Nutri-E 400
View ingredients & interactions
Nutri-E 400
View ingredients & interactions
Nutri-E 400
View ingredients & interactions
Nutri-E 400 Forte
View ingredients & interactions
Nutri-Immuno Pack With Herbs
View ingredients & interactions
Nutri-Smart Formula
View ingredients & interactions
Nutrision
View ingredients & interactions
Nutrision
View ingredients & interactions
Nutrision
View ingredients & interactions
Every Douglas Laboratories product
Jump to a letter to see those products. One entry per product — label re-issues of the same item share a page.
Showing 1 product starting with “1”.
Checking a Douglas Laboratories product against your meds?
Search any supplement or ingredient and we'll flag interactions, graded and pharmacist-reviewed.