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Manufacturer: Douglas Labs


Manufacturer: Douglas LabsBack in 1955, our dad, Sam Lioon, founded Douglas Laboratories on a simple promise: provide the highest quality nutritional supplements available with the highest level of personal service--anywhere. And with that promise began a legacy of leadership and a never-ending quest to exceed our customers’ expectations to Raise the Standard for Nutrition and Wellness.

Today that legacy lives on as Douglas Laboratories proudly joins the Atrium Biotechnologies group of companies. Atrium Biotechnologies is an international company and global leader in the development, manufacturing, and marketing of dietary supplements, specialty fine chemicals, and active cosmetic ingredients. To learn more about Atrium Biotechnologies visit their website at www.atrium-bio.com.

Douglas Laboratories is supported by more than 300 Douglas Laboratories employees all dedicated to keeping the promise Sam made 50 years ago. Raising the Standard is more than a slogan - it’s a promise. As we enter our second half-century, Douglas Laboratories will continue to keep our promise to Raise the Standard with a custom approach to your nutrition and wellness. The industry’s largest and most innovative product line. And we’ll back up our promise with the kind of stringent criteria many other companies overlook, such as:



  • (cGMPs) current good manufacturing practices.
  • ISO 9001 Certification and ISO 17025 Accreditation of our laboratories.
  • The industry’s first fully electronic, bar code driven, paperless manufacturing system to pass the FDA’s rigorous audit. Our exclusive Veri-Match labeling system, ensures verification prior to production and release of your products.
  • (SOPs) standard operating procedures.


  • VCP (Vendor Certification Program) ensures raw material safety and quality.
  • Experienced, on-staff Ph.D’s, utilizing three full-service laboratories, outfitted with the latest analytical equipment.
  • State-of-the-art manufacturing, including ultra high-speed encapsulating machines, capable of producing over 35 million capsules and tablets daily!
  • Full compliance with the Public Health Security and Bioterrorism Preparedness and Response Act of 2002, assuring safety and uninterrupted flow of all raw materials.




Our in-house laboratories, under the supervision of our staff Ph.D.s, constantly monitor quality. From raw materials entering our facility through testing dosage potency and tablet/capsule disintegration, our in-house labs ensure product quality and consistency.
  • Chemical Analysis Laboratory - ensuring potency of formula components using ICP, GF/AA, HPLC, and FT-NIR
  • Physical Analysis Laboratory - ensuring dosage weight, hardness, disintegration, and overall consistency and appearance
  • Microbiology Laboratory - testing all raw materials and products for yeast, mold, and bacterial purity in accordance with USP28


  • Manufacturing Quality - Dr. Naeem Shaikh has been with Douglas Laboratories for nearly two decades and leads the Research & Development and Quality Departments. Dr. Shaikh earned his Ph.D. in Pharmaceutics from Duquesne University and additional degrees in Pharmacy from Duquesne and the University of Karachi in Pakistan. As the author of ten published papers covering topics from dietary supplements to controlled-release drug delivery systems, Dr. Shaikh has expertise in all facets of manufacturing and quality control at Douglas Laboratories.


  • Formulating/New Product Development - Dr. Andrew Halpner received his Ph.D. in Nutrition from the Friedman School of Nutrition Science and Policy at Tufts University. His extensive research and interests focus around antioxidant nutrients, including their interactions and abilities to prevent and treat age-related degenerative illnesses. Dr. Halpner has lectured nationally and internationally on various topics pertaining to nutrition and has authored numerous articles. Dr. Halpner is currently the Director of Product Development and Technical Services for Douglas Laboratories and also serves as the Chief Editor for NutriNews.
Douglas Laboratories continues to lead the way with clinical trials designed to validate the efficacy of our products. Our world-renowned Ultra-Preventive® X (Ten) was rated the #1 multivitamin in the professional healthcare market, and our Vita-Big-Kids was rated the #1 children’s multivitamin overall by the independent Comparative Guide to Nutritional Supplements. Our commitment to help support patient outcomes is ongoing. We’re proud of the many long-standing relationships we’ve enjoyed with so many customers over the years, and the many great friendships we’ve made along the way. It’s not an exaggeration to say that we truly enjoy what we do, enjoy coming to work each and every day.




Douglas Labs Product Index

  • 5-HTP (50 Mg), Douglas Labs

  • Acetyl-L-Carnitine, Douglas Labs

  • AHCC Plus, Douglas Labs

  • AminoBlend , Douglas Labs

  • Aqua-E 8 oz, Douglas Labs

  • Basic Preventive 5 (Iron Free), Douglas Labs

  • Basic Preventive Junior, Douglas Labs

  • Bonistein Max, Douglas Labs

  • C.V. Support Formula, Douglas Labs

  • Cal-6 + Mg, Douglas Labs

  • Calcium Citrate (250 MG.), Douglas Labs

  • Cardio-Edge, Douglas Labs

  • CITRUS-Q10 100, Douglas Labs

  • CITRUS-Q10 300, Douglas Labs

  • CNCR-Support Formula, Douglas Labs

  • DHEA (25 Mg), Douglas Labs

  • DHEA 10 Mg, Douglas Labs

  • DHEA 50 Mg, Douglas Labs

  • Easter C Plus, Douglas Labs

  • Energy/Sports Formula, Douglas Labs

  • Essential-4 Nutrition Pack Revised, Douglas Labs

  • Executive Stress Formula, Douglas Labs

  • G.F.S.-2000, Douglas Labs

  • GABA 500 mg, Douglas Labs

  • Glucosamine + MSM Forte (250 Caps), Douglas Labs

  • Glucosamine Plus Extra Strength (500mg), Douglas Labs

  • L-Glutamine Powder, Douglas Labs

  • Liquid D & K, Douglas Labs

  • Magnesium Glycinate Forte, Douglas Labs

  • Melatonin (3 Mg), Douglas Labs

  • Melatonin P.R. (3 mg), Douglas Labs

  • Multi-Probiotic 4000, Douglas Labs

  • Nattosyn, Douglas Labs

  • NeuroTone, Douglas Labs

  • OCU-OMEGA, Douglas Labs

  • Opti-DHA, Douglas Labs

  • Opti-EPA 500, Douglas Labs

  • Osteo-Support Formula, Douglas Labs

  • P.M.T. Support Formula, Douglas Labs

  • Prosta-Support Formula, Douglas Labs

  • Relora-Plex, Douglas Labs

  • Sublingual-12 Plus, Douglas Labs

  • Thea-Stat (Revised), Douglas Labs

  • Tri-En-All 400, Douglas Labs

  • Ultra Green Powder, Douglas Labs

  • Ultra Indinol Plus, Douglas Labs

  • Ultra Joint Forte, Douglas Labs

  • Ultra Lipoic Forte, Douglas Labs

  • Ultra Preventive Beta Tab, Douglas Labs

  • Ultra Preventive III Tab, Douglas Labs

  • Ultra Preventive III with Copper, Douglas Labs

  • Ultra Preventive X 240 Tabs, Douglas Labs

  • Ultra Preventive X 240 V-CAP, Douglas Labs

  • Ultra Protein Plus (Vanilla Bean), Douglas Labs

  • Ultrazyme, Douglas Labs

  • URO-PRO, Douglas Labs

  • Vita-Big-Kids, Douglas Labs

  • Vita-Kids (Revised), Douglas Labs

  • Vitamin D (1000 I.U.), Douglas Labs

  • WOBENZYM N 200, Douglas Labs

  • WOBENZYM N 800, Douglas Labs

  • Y.P.D. Support Formula, Douglas Labs







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