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 68 products starting with “L”.
- L-Arginine Capsule · 100 Capsule(s)
- L-Arginine 500 mg Capsule · 60 Capsule(s)
- L-Asparagine 400 mg Capsule · 60 Capsule(s)
- L-Aspartic Acid Capsule · 100 Capsule(s)
- L-Carnitine Capsule · 30 Vegetarian Capsule(s)
- L-Carnitine 250 mg Capsule · 100 Capsule(s)
- L-Carnosine 500 mg Capsule · 30 Capsule(s)
- L-Cysteine 500 mg Capsule · 60 Capsule(s)
- L-Cystine 500 mg No longer marketed · Capsule · 60 Capsule(s)
- L-Glutamine + FOS Powder Powder · 250 Gram(s)
- L-Glutamine 500 mg Capsule · 100 Capsule(s)
- L-Glutamine Powder Powder · 266.6 Gram(s)
- L-Glutathione 250 mg Capsule · 30 Capsule(s)
- L-Glutathione 50 mg Capsule · 100 Capsule(s)
- L-Glutathione Plus Lozenge · 90 Lozenge(s)
- L-Histidine 500 mg Capsule · 60 Capsule(s)
- L-Isoleucine 500 mg Capsule · 60 Capsule(s)
- L-Leucine 500 mg Capsule · 60 Capsule(s)
- L-Lysine No longer marketed · Capsule · 250 Capsule(s)
- L-Lysine 500 mg No longer marketed · Capsule · 100 Capsule(s)
- L-Methionine Capsule · 500 Capsule(s)
- L-Ornithine 500 mg Capsule · 60 Capsule(s)
- L-Ornithine Alpha-Ketoglutarate Tablet Or Pill · 60 Tablet(s)
- L-Phenylalanine 500 mg Capsule · 90 Capsule(s)
- L-Proline 500 mg Capsule · 60 Capsule(s)
- L-Serine 500 mg Capsule · 60 Capsule(s)
- L-Taurine 500 mg Capsule · 100 Capsule(s)
- L-Theanine Capsule · 60 Vegetarian Capsule(s)
- L-Threonine 500 mg Capsule · 60 Capsule(s)
- L-Tryptophan Capsule · 60 Vegetarian Capsule(s)
- L-Tyrosine Capsule · 100 Capsule(s)
- L-Tyrosine 500 mg Capsule · 100 Capsule(s)
- L-Valine 500 mg Capsule · 60 Capsule(s)
- Lacta-Zyme Capsule · 100 Capsule(s)
- LDA Formula Capsule · 270 Vegetarian Capsule(s)
- Lecithin 1200 mg Softgel Capsule · 100 Softgel(s)
- Lecithin Granules No longer marketed · Powder · 454 Gram(s)
- Lemon Bioflavonoids Capsule · 100 Capsule(s)
- Licorice Extract Wafers No longer marketed · Other (e.g. Tea Bag) · 100 Wafer(s)
- Licorice Root-V Capsule · 90 Vegetarian Capsule(s)
- Licorice Root-V (Deglycyrrhizinated) No longer marketed · Capsule · 90 Vegetarian Capsule(s)
- Licorice Root-V (Deglyyrrhizinated) No longer marketed · Capsule · 90 Vegetarian Capsules
- Licorice Root-V with Glycyrrhizin Capsule · 60 Vegetarian Capsule(s)
- Lipanase Tablet Or Pill · 90 Tablet(s)
- Lipex Tablet Or Pill · 100 Tablet(s)
- Lipo-Forte No longer marketed · Tablet Or Pill · 120 Tablet(s)
- Lipoic Acid 100 mg Capsule · 60 Vegetarian Capsule(s)
- Lipoic Acid 100 mg (as alpha-Lipoic Acid) No longer marketed · Capsule · 60 Capsule(s)
- Liposomal Glutathione Softgel Capsule · 45 Softgel Capsule(s)
- Lipotrol Tablet Or Pill · 60 Tablet(s)
- Liquid B12 Liquid · 1 fl. Oz.
- Liquid Cal/Mag/D No longer marketed · Liquid · 450 mL
- Liquid Cal/Mag/D Great-Tasting Natural Raspberry Flavor Liquid · 15 fl. Oz.
- Liquid D and K No longer marketed · Liquid · 1 fl. Oz.
- Liquid D and K Natural Vanilla Flavor Liquid · 1 fl. Oz.
- Liquid DHA Liquid · 1 fl. Oz.
- Liquid Magnesium No longer marketed · Liquid · 8 fl. Oz.
- Liquid Magnesium Great-Tasting Natural Pomegranate Flavor Liquid · 8 fl. Oz.
- Liquid Multivitamin Liquid · 7.8 fl. Oz.
- Liquid Vitamin D-3 Liquid · 1 fl. Oz.
- Liquid Vitamin D3 Liquid · 22.5 mL
- Livdetox Tablet Or Pill · 120 Tablet(s)
- Longevity Support Pack Other (e.g. Tea Bag) · 30 Pack(s)
- Loplex Tablet Or Pill · 100 Tablet(s)
- Lutein Softgel Capsule · 90 Softgel(s)
- Lutein-Plus Capsule · 60 Capsule(s)
- Lycopene No longer marketed · Softgel Capsule · 90 Softgel(s)
- Lycopene-Plus Capsule · 60 Capsule(s)
Checking a Douglas Laboratories product against your meds?
Search any supplement or ingredient and we'll flag interactions, graded and pharmacist-reviewed.