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Collection: Douglas Laboratories

For over 50 years, Douglas Laboratories has been dedicated to formulating high-quality nutritional supplements, adhering to rigorous standards often overlooked by others. They utilize Good Manufacturing Practices (GMP), ISO-certified labs, and a Vendor Certification Program (VCP) to ensure top-quality products you can trust.

At OVitaminPro, we proudly offer a wide range of Douglas Laboratories supplements, including the top-rated Ultra-Preventive X multivitamin, to support your healthy and active lifestyle.

Douglas Laboratories Nutri-E 400 Forte 60sg

Douglas Laboratories Nutri-E 400 Forte 60sg

Regular price $57.50

Regular price Sale price $57.50
Unit price per
Douglas Laboratories Olive Leaf Extract 120c

Douglas Laboratories Olive Leaf Extract 120c

1 total reviews

Regular price $53.50

Regular price Sale price $53.50
Unit price per
Douglas Laboratories Olive Leaf Extract 60c

Douglas Laboratories Olive Leaf Extract 60c

Regular price $31.00

Regular price Sale price $31.00
Unit price per
Douglas Laboratories Opti-EPA 500 (Cholesterol Free) 60sg

Douglas Laboratories Opti-EPA 500 (Cholesterol Free) 60sg

Regular price $33.50

Regular price Sale price $33.50
Unit price per
Douglas Laboratories Opti-Zinc 90c

Douglas Laboratories Opti-Zinc 90c

Regular price $20.30

Regular price Sale price $20.30
Unit price per
Douglas Laboratories Optimized Curcumin with Neurophenol 60c

Douglas Laboratories Optimized Curcumin with Neurophenol 60c

Regular price $64.50

Regular price Sale price $64.50
Unit price per
Douglas Laboratories Pantothenic Acid 500mg 100c

Douglas Laboratories Pantothenic Acid 500mg 100c

Regular price $21.50

Regular price Sale price $21.50
Unit price per
Douglas Laboratories Policosanol 60c

Douglas Laboratories Policosanol 60c

Regular price $28.50

Regular price Sale price $28.50
Unit price per
Douglas Laboratories Potassium Chelated 100c

Douglas Laboratories Potassium Chelated 100c

Regular price $19.20

Regular price Sale price $19.20
Unit price per
Douglas Laboratories PQQ Plus 30c

Douglas Laboratories PQQ Plus 30c

Regular price $89.00

Regular price Sale price $89.00
Unit price per
Douglas Laboratories Pregnenolone 25mg 60T

Douglas Laboratories Pregnenolone 25mg 60T

Regular price $31.50

Regular price Sale price $31.50
Unit price per
Douglas Laboratories Pregnenolone 5mg 100T

Douglas Laboratories Pregnenolone 5mg 100T

Regular price $19.70

Regular price Sale price $19.70
Unit price per
Douglas Laboratories Prenatal 60vc

Douglas Laboratories Prenatal 60vc

Regular price $32.50

Regular price Sale price $32.50
Unit price per
Douglas Laboratories Pycnogenol 50mg 90T

Douglas Laboratories Pycnogenol 50mg 90T

Regular price $112.50

Regular price Sale price $112.50
Unit price per
Douglas Laboratories Pylori-Plex 60c

Douglas Laboratories Pylori-Plex 60c

Regular price $80.00

Regular price Sale price $80.00
Unit price per
Douglas Laboratories Quell Fish Oil Ultra SPM 60sg

Douglas Laboratories Quell Fish Oil Ultra SPM 60sg

Regular price $86.00

Regular price Sale price $86.00
Unit price per
Douglas Laboratories Quercetin Bromelain Complex 100T

Douglas Laboratories Quercetin Bromelain Complex 100T

Regular price $45.00

Regular price Sale price $45.00
Unit price per
Douglas Laboratories Querciplex 60vc

Douglas Laboratories Querciplex 60vc

1 total reviews

Regular price $38.00

Regular price Sale price $38.00
Unit price per
Douglas Laboratories Resveratrol 30c

Douglas Laboratories Resveratrol 30c

Regular price $79.00

Regular price Sale price $79.00
Unit price per
Douglas Laboratories S.B.C (Saccharomyces Boulardii Capsules) 50c

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Douglas Laboratories S.B.C (Saccharomyces Boulardii Capsules) 50c

Regular price $38.50

Regular price Sale price $38.50
Unit price per

Sold out
Douglas Laboratories SAM-e 60C

Douglas Laboratories SAM-e 60C

Regular price $82.00

Regular price Sale price $82.00
Unit price per
Douglas Laboratories Saw Palmetto Max-V 60c

Douglas Laboratories Saw Palmetto Max-V 60c

Regular price $43.00

Regular price Sale price $43.00
Unit price per
Douglas Laboratories Selenium + Vitamin E 90sg

Douglas Laboratories Selenium + Vitamin E 90sg

Regular price $42.50

Regular price Sale price $42.50
Unit price per
Douglas Laboratories Selenium Plus 90c

Douglas Laboratories Selenium Plus 90c

Regular price $21.50

Regular price Sale price $21.50
Unit price per
Douglas Laboratories Seleno-Methinonine 100vc

Douglas Laboratories Seleno-Methinonine 100vc

Regular price $21.00

Regular price Sale price $21.00
Unit price per
Douglas Laboratories Seleno-Methionine 250vc

Douglas Laboratories Seleno-Methionine 250vc

Regular price $42.50

Regular price Sale price $42.50
Unit price per
Douglas Laboratories Sereniten Plus 30c

Douglas Laboratories Sereniten Plus 30c

Regular price $58.00

Regular price Sale price $58.00
Unit price per
Douglas Laboratories Sereniten Plus 60c

Douglas Laboratories Sereniten Plus 60c

Regular price $110.00

Regular price Sale price $110.00
Unit price per
Douglas Laboratories Silymarin Milk Thistle Extract 90c

Douglas Laboratories Silymarin Milk Thistle Extract 90c

Regular price $30.50

Regular price Sale price $30.50
Unit price per
Douglas Laboratories Stress-B-Plus 90T

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Douglas Laboratories Stress-B-Plus 90T

Regular price $27.00

Regular price Sale price $27.00
Unit price per

Sold out
Douglas Laboratories Super HCA 90T

Douglas Laboratories Super HCA 90T

1 total reviews

Regular price $52.00

Regular price Sale price $52.00
Unit price per
Douglas Laboratories Taurine 500mg 100vc

Douglas Laboratories Taurine 500mg 100vc

Regular price $20.70

Regular price Sale price $20.70
Unit price per
Douglas Laboratories TestoGain 120c

Douglas Laboratories TestoGain 120c

1 total reviews

Regular price $72.00

Regular price Sale price $72.00
Unit price per
Douglas Laboratories TestoQuench for Women 120c

Douglas Laboratories TestoQuench for Women 120c

Regular price $71.50

Regular price Sale price $71.50
Unit price per
Douglas Laboratories Timed Release Iron 90T

Douglas Laboratories Timed Release Iron 90T

Regular price $18.90

Regular price Sale price $18.90
Unit price per
Douglas Laboratories Turmeric Max-V 60c

Douglas Laboratories Turmeric Max-V 60c

1 total reviews

Regular price $19.60

Regular price Sale price $19.60
Unit price per
Douglas Laboratories Ubiquinol-QH 30c

Douglas Laboratories Ubiquinol-QH 30c

Regular price $67.50

Regular price Sale price $67.50
Unit price per
Douglas Laboratories Ubiquinol-QH 60c

Douglas Laboratories Ubiquinol-QH 60c

Regular price $131.50

Regular price Sale price $131.50
Unit price per
Douglas Laboratories Ultra Benfotiamine 60c

Douglas Laboratories Ultra Benfotiamine 60c

Regular price $51.50

Regular price Sale price $51.50
Unit price per
Douglas Laboratories Ultra I-3-C 60c

Douglas Laboratories Ultra I-3-C 60c

Regular price $44.50

Regular price Sale price $44.50
Unit price per
Douglas Laboratories Ultra Preventive 2 Daily 60 Tablets

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Douglas Laboratories Ultra Preventive 2 Daily 60 Tablets

1 total reviews

Regular price $53.50

Regular price Sale price $53.50
Unit price per

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Douglas Laboratories Ultra Preventive III 180 Capsules

Douglas Laboratories Ultra Preventive III 180 Capsules

Regular price $44.00

Regular price Sale price $44.00
Unit price per
Douglas Laboratories Ultra Preventive X 120 Tablets

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Douglas Laboratories Ultra Preventive X 120 Tablets

Regular price $57.50

Regular price Sale price $57.50
Unit price per

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Douglas Laboratories Ultra Preventive X 240 (Vegetarian Caps)

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Douglas Laboratories Ultra Preventive X 240 (Vegetarian Caps)

1 total reviews

Regular price $74.40

Regular price Sale price $74.40
Unit price per

Sold out
Douglas Laboratories Ultra Preventive X 240 Tablets

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Douglas Laboratories Ultra Preventive X 240 Tablets

2 total reviews

Regular price $103.50

Regular price Sale price $103.50
Unit price per

Sold out
Douglas Laboratories Ultrazyme 180T

Douglas Laboratories Ultrazyme 180T

1 total reviews

Regular price $54.50

Regular price Sale price $54.50
Unit price per
Douglas Laboratories Uro-Pro (For Men Only) 60c

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Douglas Laboratories Uro-Pro (For Men Only) 60c

Regular price $60.00

Regular price Sale price $60.00
Unit price per

Sold out
Douglas Laboratories Vitamin A 100sg

Douglas Laboratories Vitamin A 100sg

Regular price $20.10

Regular price Sale price $20.10
Unit price per
Douglas Laboratories Vitamin C 1000mg 100T

Douglas Laboratories Vitamin C 1000mg 100T

Regular price $20.30

Regular price Sale price $20.30
Unit price per
Douglas Laboratories Vitamin D 1,000 IU 100T

Douglas Laboratories Vitamin D 1,000 IU 100T

Regular price $15.50

Regular price Sale price $15.50
Unit price per

All products, claims and testimonials made about specific products on or through this site have not been evaluated by the United States Food and Drug Administration and are not approved to diagnose, treat, cure or prevent disease. Any information contained on any product label or packaging and any information provided on OVitaminPro.com is for informational purposes only and is not intended as a substitute for advice from your physician or other health care professional. You should not use the information on this site for diagnosis or treatment of any health problem or for prescription of any medication or other treatment. You should consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem. *Any Free USPS Ground Shipping Offer Applies to Continental U.S. Locations Only