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Douglas Laboratories has been at the forefront of the nutritional health industry for over 50 years, engaging in the kind of top-notch product research and development that allows them to produce excellent science-based dietary supplements to help people improve their health. They offer one of the largest and most innovative selections of premium products as a healthcare practitioner brand and operate under a simple promise: provide the highest quality nutritional supplements available with the highest level of personal service—anywhere.
Olive Leaf Extract
Olive Leaf Extract capsules contain phenolic compounds, such as oleuropein, oleuropeoside, and hydroxytyrosol, that have been shown to have microbial supportive properties, as well as antioxidant power.‡
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Olive Leaf Extract
$31.00
Opti-EPA™ 500
Opti-EPA™ 500 is concentrated marine fish oil, providing eicosapentaenoic acid (EPA, 300 mg) and docosahexaenoic acid (DHA, 200 mg).
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Opti-EPA™ 500
$132.00
Optimized Curcumin with Neurophenol®
Optimized Curcumin with Neurophenol® is a unique formula containing two clinically supported and trademarked ingredients: Longvida® Optimized Curcumin with extended absorption and bioavailability, and Neurophenol®, a proprietary blend of standardized blueberry and grape extracts.‡
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Optimized Curcumin with Neurophenol®
$64.50
OptiZinc® 30
OptiZinc® 30 supplies elemental zinc monomethionine, a chemically defined, patented organic compound which provides zinc and the amino acid methionine.
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OptiZinc® 30
$19.50
Pantothenic Acid
Pantothenic Acid supplies 500 mg of pantothenic acid in a convenient capsule form.
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*FDA Disclaimer: The informat...
Pantothenic Acid
$21.50
Policosanol
Policosanol supplies 10 mg of policosanol from sugar cane wax, comprised of a mixture of several long chain fatty-alcohols. Studied for the important role it plays in cardiovascular health, policosanol has become recognized for its use in supporting healthy cholesterol levels already within the ...
Policosanol
$28.50
Potassium Chelated
Potassium 99 mg Chelated capsules supply 99 mg of elemental potassium chelate complex.
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*FDA Disclaimer: The info...
Potassium Chelated
$17.50
PQQ Plus
PQQ Plus supplies 20 mg pyrroloquinoline quinone (PQQ) and 50 mg of alpha glycerylphosphoryl choline (alpha GPC) in each vegetarian capsule for neurological health. Evidence indicates PQQ can support several signal transduction pathways that are important in maintaining mitochondrial homeostasis...
PQQ Plus
$89.00
Pregnenolone (25 mg)
Pregnenolone 25 mg contains high purity pregnenolone and is produced under strict Good Manufacturing Practices (GMP) standards. Scored tablets can be dissolved in mouth and swallowed or swallowed whole.
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Pregnenolone (25 mg)
$31.50
Pregnenolone (5 mg)
Scored tablet containing 5 mg of pregnenolone for hormonal support. Tablets can be dissolved in mouth and swallowed or swallowed whole.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permis...
Pregnenolone (5 mg)
$18.50
Prenatal
Prenatal multivitamin/mineral formula by Douglas Laboratories® provides essential vitamins, minerals and nutrients based on scientific recommendations for nutrient requirements for women of childbearing age, pregnant women and lactating women.‡
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Prenatal
$32.50
Pycnogenol® 50 mg
Pycnogenol® tablets contain pure, patented pine bark extract in 50 mg scored tablets. Pine bark extract is a bioflavonoid that supports blood vessel, tissue and arterial health.‡
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Pycnogenol® 50 mg
$112.50
Pylori-Plex
Pylori-Plex provides important ingredients to support the stomach lining and gastrointestinal tract. Mastic gum, licorice, marshmallow root and slippery elm bark all have traditional uses as gastro-supportive herbs.‡
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Pylori-Plex
$80.00
Pyridoxal-5-Phosphate
Vitamin B6 is offered in its activated form, pyridoxal-5-phosphate.
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about thi...
Pyridoxal-5-Phosphate
$18.00
QÜELL® Fish Oil - EPA/DHA Plus D
QÜELL® Fish Oil offers supercritical CO2 extracted oils in triglyceride form, manufactured exclusively for Douglas Laboratories® and is unique among other fish oils due to its supercritical extraction, purity, bioavailability and concentration. Supercritical CO2 extraction technology ensures tha...
QÜELL® Fish Oil - EPA/DHA Plus D
$47.00
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