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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 5-HTP 50mg 100c

Douglas Laboratories 5-HTP 50mg 100c

1 total reviews

Regular price $57.40

Regular price Sale price $57.40
Unit price per
Douglas Laboratories 5-HTP Plus 60c

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Douglas Laboratories 5-HTP Plus 60c

Regular price $60.40

Regular price Sale price $60.40
Unit price per

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Douglas Laboratories 7-Keto (100mg) 60c

Douglas Laboratories 7-Keto (100mg) 60c

Regular price $85.20

Regular price Sale price $85.20
Unit price per
Douglas Laboratories A-Potene 25 100sg

Douglas Laboratories A-Potene 25 100sg

Regular price $19.40

Regular price Sale price $19.40
Unit price per
Douglas Laboratories A.H.C.C. Plus 60c

Douglas Laboratories A.H.C.C. Plus 60c

Regular price $167.40

Regular price Sale price $167.40
Unit price per
Douglas Laboratories Acetyl L Carnitine 120c

Douglas Laboratories Acetyl L Carnitine 120c

1 total reviews

Regular price $53.20

Regular price Sale price $53.20
Unit price per
Douglas Laboratories Acetyl L Carnitine 60c

Douglas Laboratories Acetyl L Carnitine 60c

Regular price $28.20

Regular price Sale price $28.20
Unit price per
Douglas Laboratories AdrenoMend 120c

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Douglas Laboratories AdrenoMend 120c

Regular price $72.40

Regular price Sale price $72.40
Unit price per

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Douglas Laboratories Alpha-Lipoic Acid 60T

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Douglas Laboratories Alpha-Lipoic Acid 60T

Regular price $23.60

Regular price Sale price $23.60
Unit price per

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Douglas Laboratories Amino-Iron 100T

Douglas Laboratories Amino-Iron 100T

Regular price $17.60

Regular price Sale price $17.60
Unit price per
Douglas Laboratories Amino-Mag 200 100T

Douglas Laboratories Amino-Mag 200 100T

Regular price $20.70

Regular price Sale price $20.70
Unit price per
Douglas Laboratories Aminoblend 100c

Douglas Laboratories Aminoblend 100c

Regular price $70.00

Regular price Sale price $70.00
Unit price per
Douglas Laboratories Ascorbplex 180T

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Douglas Laboratories Ascorbplex 180T

Regular price $51.20

Regular price Sale price $51.20
Unit price per

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Douglas Laboratories Astragalus Max-V 60c

Douglas Laboratories Astragalus Max-V 60c

Regular price $34.60

Regular price Sale price $34.60
Unit price per
Douglas Laboratories Ayur Ashwagandha 60c

Douglas Laboratories Ayur Ashwagandha 60c

Regular price $25.20

Regular price Sale price $25.20
Unit price per
Douglas Laboratories Ayur-Curcumin 90c

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Douglas Laboratories Ayur-Curcumin 90c

Regular price $36.20

Regular price Sale price $36.20
Unit price per

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Douglas Laboratories B-Complex 60c

Douglas Laboratories B-Complex 60c

1 total reviews

Regular price $26.80

Regular price Sale price $26.80
Unit price per
Douglas Laboratories Basic Minerals 180c

Douglas Laboratories Basic Minerals 180c

Regular price $32.00

Regular price Sale price $32.00
Unit price per
Douglas Laboratories Beni-Koji RYR 120c

Douglas Laboratories Beni-Koji RYR 120c

Regular price $41.80

Regular price Sale price $41.80
Unit price per
Douglas Laboratories Beni-Koji RYR 60c

Douglas Laboratories Beni-Koji RYR 60c

Regular price $22.80

Regular price Sale price $22.80
Unit price per
Douglas Laboratories Berberine Balance 60c

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Douglas Laboratories Berberine Balance 60c

Regular price $45.40

Regular price Sale price $45.40
Unit price per

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Douglas Laboratories Beta 1,3 Glucan 90c

Douglas Laboratories Beta 1,3 Glucan 90c

Regular price $25.60

Regular price Sale price $25.60
Unit price per
Douglas Laboratories Betaine Plus 100c

Douglas Laboratories Betaine Plus 100c

Regular price $20.75

Regular price Sale price $20.75
Unit price per
Douglas Laboratories Betaine Plus 250c

Douglas Laboratories Betaine Plus 250c

Regular price $42.50

Regular price Sale price $42.50
Unit price per
Douglas Laboratories Bilex 90T

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Douglas Laboratories Bilex 90T

Regular price $20.20

Regular price Sale price $20.20
Unit price per

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Douglas Laboratories Biotin 8 mg 120C

Douglas Laboratories Biotin 8 mg 120C

Regular price $24.00

Regular price Sale price $24.00
Unit price per
Douglas Laboratories Boswellia Turmeric Complex 60T

Douglas Laboratories Boswellia Turmeric Complex 60T

Regular price $42.60

Regular price Sale price $42.60
Unit price per
Douglas Laboratories Bromelain 500mg 60c

Douglas Laboratories Bromelain 500mg 60c

Regular price $24.60

Regular price Sale price $24.60
Unit price per
Douglas Laboratories C Max 90t

Douglas Laboratories C Max 90t

Regular price $35.40

Regular price Sale price $35.40
Unit price per
Douglas Laboratories C-1000 100c

Douglas Laboratories C-1000 100c

Regular price $20.50

Regular price Sale price $20.50
Unit price per
Douglas Laboratories C-1000 250c

Douglas Laboratories C-1000 250c

Regular price $42.40

Regular price Sale price $42.40
Unit price per
Douglas Laboratories C-D-Zinc 60c

Douglas Laboratories C-D-Zinc 60c

Regular price $22.20

Regular price Sale price $22.20
Unit price per
Douglas Laboratories Cal/Mag Citrate 250vc

Douglas Laboratories Cal/Mag Citrate 250vc

Regular price $37.20

Regular price Sale price $37.20
Unit price per
Douglas Laboratories Calcium Citrate 250mg 250T

Douglas Laboratories Calcium Citrate 250mg 250T

Regular price $37.20

Regular price Sale price $37.20
Unit price per
Douglas Laboratories Calcium D-Glucarate 90c

Douglas Laboratories Calcium D-Glucarate 90c

Regular price $81.60

Regular price Sale price $81.60
Unit price per
Douglas Laboratories Calcium Microcrystalline Hydroxyapatite 250vc

Douglas Laboratories Calcium Microcrystalline Hydroxyapatite 250vc

Regular price $53.80

Regular price Sale price $53.80
Unit price per
Douglas Laboratories Cat's Claw 100c

Douglas Laboratories Cat's Claw 100c

Regular price $25.80

Regular price Sale price $25.80
Unit price per
Douglas Laboratories Chelated Magnesium 100T

Douglas Laboratories Chelated Magnesium 100T

Regular price $16.80

Regular price Sale price $16.80
Unit price per
Douglas Laboratories Choline Bitartrate 100c

Douglas Laboratories Choline Bitartrate 100c

Regular price $20.90

Regular price Sale price $20.90
Unit price per
Douglas Laboratories Chromium Picolinate 100c

Douglas Laboratories Chromium Picolinate 100c

Regular price $23.40

Regular price Sale price $23.40
Unit price per
Douglas Laboratories Citrus-Q10 100 60 chewable tablets

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Douglas Laboratories Citrus-Q10 100 60 chewable tablets

Regular price $73.20

Regular price Sale price $73.20
Unit price per

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Douglas Laboratories CLA (Conjugated Linoleic Acid) 120sg

Douglas Laboratories CLA (Conjugated Linoleic Acid) 120sg

Regular price $39.60

Regular price Sale price $39.60
Unit price per
Douglas Laboratories Coenzyme Q10 100mg 30 softgel

Douglas Laboratories Coenzyme Q10 100mg 30 softgel

Regular price $62.20

Regular price Sale price $62.20
Unit price per
Douglas Laboratories Coenzyme Q10 60mg 60vc

Douglas Laboratories Coenzyme Q10 60mg 60vc

Regular price $40.80

Regular price Sale price $40.80
Unit price per
Douglas Laboratories Colostrum 100% Pure New Zeland caps 120c

Douglas Laboratories Colostrum 100% Pure New Zeland caps 120c

Regular price $55.00

Regular price Sale price $55.00
Unit price per
Douglas Laboratories Corvalen Chews Orange flavor 90 chews

Douglas Laboratories Corvalen Chews Orange flavor 90 chews

Regular price $56.20

Regular price Sale price $56.20
Unit price per
Douglas Laboratories Corvalen Ribose 56 servings (280g) 9.9 oz

Douglas Laboratories Corvalen Ribose 56 servings (280g) 9.9 oz

1 total reviews

Regular price $65.80

Regular price Sale price $65.80
Unit price per
Douglas Laboratories Cran-Max 60c

Douglas Laboratories Cran-Max 60c

Regular price $33.40

Regular price Sale price $33.40
Unit price per
Douglas Laboratories Cysto Renew 120c

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Douglas Laboratories Cysto Renew 120c

Regular price $62.80

Regular price Sale price $62.80
Unit price per

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Douglas Laboratories DHEA 10mg (Micronized) 100c

Douglas Laboratories DHEA 10mg (Micronized) 100c

Regular price $20.90

Regular price Sale price $20.90
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