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
5-HTP
View ingredients & interactions
5-HTP Plus Formula
View ingredients & interactions
7-Keto
View ingredients & interactions
A-Potene
View ingredients & interactions
A-Potene 10
View ingredients & interactions
A-Potene 25
View ingredients & interactions
A-Retic Natural Herbal Formula
View ingredients & interactions
A-Retic Natural Herbal Formula
View ingredients & interactions
A.R. Formula
View ingredients & interactions
A.R.M.D. Eye Support
View ingredients & interactions
A.R.M.D. Eye Support Beta
View ingredients & interactions
A.R.M.D. Eye Support Beta
View ingredients & interactions
A/ O Maximizers
View ingredients & interactions
Acetyl L-Carnitine 500 mg
View ingredients & interactions
Acetyl L-Carnitine 500 mg
View ingredients & interactions
Acetyl-L-Carnitine 500 mg
View ingredients & interactions
Acid-Alkaline Balance Formula One Alkaline Blood (Slow Oxidizers)
View ingredients & interactions
Activin Plus
View ingredients & interactions
Added Protection III
View ingredients & interactions
Added Protection III (Without Copper And Iron)
View ingredients & interactions
Added Protection III (Without Copper)
View ingredients & interactions
Added Protection III (Without Iron)
View ingredients & interactions
ADDtend
View ingredients & interactions
Adren-160 (Raw Adrenal Concentrate)
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 62 products starting with “N”.
- N-Acetyl-L-Cysteine 250 mg Capsule · 60 Capsule(s)
- N-Acetyl-L-Cysteine 500 mg Capsule · 90 Vegetarian Capsule(s)
- N-Acetyl-L-Cysteine 600 mg Capsule · 90 Vegetarian Capsule(s)
- N-Acetyl-L-Cysteine 750 mg Capsule · 90 Capsule(s)
- N-Acetyl-L-Cysteine 900 mg Capsule · 90 Vegetarian Capsule(s)
- N-Acetylcysteine Tablet Or Pill · 90 Tablet(s)
- Nattosyn Capsule · 60 Vegetarian Capsule(s)
- Natural C 1,000 mg Tablet Or Pill · 100 Tablet(s)
- Natural C 1000 mg Tablet Or Pill · 250 Tablet(s)
- Natural C 1000 mg With Bioflavonoids Tablet Or Pill · 250 Tablet(s)
- Natural C Plus 500 No longer marketed · Tablet Or Pill · 100 Tablet(s)
- Natural Vitamin A Emulsified Softgel Capsule · 100 Softgel(s)
- Natural Vitamin C 500 mg Tablet Or Pill · 250 Tablet(s)
- Natural Vitamin E 200 IU Softgel Capsule · 100 Softgel(s)
- Natural Vitamin E Complex Softgel Capsule · 100 Softgel(s)
- Natural Vitamin E Complex 400 IU Softgel Capsule · 250 Softgel(s)
- Natural Vitamin F Capsule · 100 Vegetarian Capsule(s)
- Natural Vitamins A & D Softgel Capsule · 100 Softgel(s)
- Nature's Diet Caps + Capsule · 135 Capsule(s)
- Nature's Diet Caps + HCA with Chromium Capsule · 90 Capsule(s)
- Nature's Diet Caps + HCA with Chromium GTF No longer marketed · Capsule · 90 Capsule(s)
- Nature's Diet Caps + Herbs Capsule · 90 Capsule(s)
- Nature's Diet Caps+Herbs Capsule · 90 Capsule(s)
- Natursyl Capsules Capsule · 90 Capsule(s)
- Natursyl II (Powder) Powder · 24 oz.
- Nettles Max-V Capsule · 60 Vegetarian Capsule(s)
- Nettles Max-V (Stinging Nettle) No longer marketed · Capsule · 60 Vegetarian Capsule(s)
- Neuro Comfort Capsule · 60 Vegetarian Capsule(s)
- NeuroKrill Capsule · 30 Caplique(R) Capsule(s)
- NeuroKrill With DHA-Conjugated Phosphatidylserine No longer marketed · Capsule · 30 Caplique(R) Capsule(s)
- Neuromins No longer marketed · Softgel Capsule · 60 Vegetarian Softgel(s)
- Neuromins Algae Source DHA Capsule · 60 Capsule(s)
- Neurosed II Tablet Or Pill · 60 Tablet(s)
- Neurosed II Tryptophan Free No longer marketed · Tablet Or Pill · 120 Tablet(s)
- NeuroTone Tablet Or Pill · 120 Tablet(s)
- Neurotransmitter Balance Capsule · 60 Vegetarian Capsule(s)
- Nia Plus Capsule · 60 Capsule(s)
- Nia-Chrome Capsule · 250 Capsule(s)
- Nia-Chrome Forte Capsule · 100 Capsule(s)
- Niacin 100 mg Tablet Or Pill · 100 Tablet(s)
- Niacin 100 mg Nicotinic Acid Tablet Or Pill · 250 Tablet(s)
- Niacin T.R. 400 mg Capsule · 120 Capsule(s)
- Niacinamide 500 mg Capsule · 100 Capsule(s)
- Niacinate Tablet Or Pill · 90 Tablet(s)
- Niacinate-400 Capsule · 120 Capsule(s)
- Niacinate-400 (Inositol Hexaniacinate) Capsule · 60 Capsule(s)
- Niatab 500 Tablet Or Pill · 100 Tablet(s)
- Nopal Cactus Capsule · 60 Vegetarian Capsule(s)
- Norwegian Cod Liver Oil No longer marketed · Softgel Capsule · 100 Softgel(s)
- Norwegian Cod Liver Oil 10 Minims Softgel Capsule · 100 Softgel(s)
- Nutri Derm No longer marketed · Tablet Or Pill · 60 Tablet(s)
- Nutri-A-25 Capsule · 100 Capsule(s)
- Nutri-E 400 Softgel Capsule · 180 Softgel(s)
- Nutri-E 400 Forte Softgel Capsule · 60 Softgel(s)
- Nutri-Immuno Pack With Herbs Other (e.g. Tea Bag) · 30 Pack(s)
- Nutri-Logic Plus No longer marketed · Capsule · 120 Capsule(s)
- Nutri-Pack For Men No longer marketed · Other (e.g. Tea Bag) · 30 Pack(s)
- Nutri-Pack For Women No longer marketed · Other (e.g. Tea Bag) · 30 Pack(s)
- Nutri-Smart Formula Tablet Or Pill · 120 Tablet(s)
- Nutrient Factors No longer marketed · Capsule · 100 Capsule(s)
- Nutrision Capsule · 60 Capsule(s)
- Nutritional Management Pack Other (e.g. Tea Bag) · 30 Pack(s)
Checking a Douglas Laboratories product against your meds?
Search any supplement or ingredient and we'll flag interactions, graded and pharmacist-reviewed.