Douglas Laboratories

  • Highest sourcing standards for exceptional purity, free from contamination, best absorbability
  • GMP-compliant manufacturing facility; third-party, NSF International registered and inspected for good manufacturing practices
  • An approved producer of NSF certified-for-sport products with an ISO-accredited internal quality laboratory
  • Research-based ingredients to create safe, effective nutritional products for our doctors and health-conscious consumers.
  • Third party laboratory testing to ensure purity and potency

Best Douglas Laboratories Supplements

#1 Real Supplements Rated Best in 2020
Douglas Laboratories Multi-Probiotic 40 Billion | Provides Probiotics and Prebiotics to Support Gut Microflora and Immunity* | 60 Vegetarian Acid-Resistant Capsules
231 Reviews
Douglas Laboratories Multi-Probiotic 40 Billion | Provides Probiotics and Prebiotics to Support Gut Microflora and Immunity* | 60 Vegetarian Acid-Resistant Capsules
  • Immune Health: Offers a synbiotic blend of 16 strains that help to support immune health by balancing intestinal microflora.*
  • Shelf Stable: This formula is shelf stable and does not require refrigeration to maintain culture viability.
  • Digestive: Our digestive formulas are developed to support G.I. health and its highly complex ecosystem.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*
#2 Real Supplements Rated Best in 2020
Douglas Laboratories Magnesium Glycinate | Supports Normal Heart Function and Bone Formation | 240 Capsules
33 Reviews
Douglas Laboratories Magnesium Glycinate | Supports Normal Heart Function and Bone Formation | 240 Capsules
  • Heart & Bone Health: Magnesium, one of most important minerals, plays an essential role in maintaining normal heart function, muscle, and bone strength.*
  • Heart Health: Supports already normal heart function.*
  • Vitamins/Minerals/Amino Acids: Our vitamins/minerals and amino acid formulas are developed to provide beneficial support in filling nutrient gaps.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential to live healthier, today and in the future.*
#3 Real Supplements Rated Best in 2020
Douglas Laboratories B-Complex w/Metafolin | Comprehensive B Supplement to Support Blood Cells, Hormones, and Nervous System* | 60 Capsules
38 Reviews
Douglas Laboratories B-Complex w/Metafolin | Comprehensive B Supplement to Support Blood Cells, Hormones, and Nervous System* | 60 Capsules
  • Vitamin B Source: Vitamin B complex is an essential complex in most major metabolic reactions. Includes Metafolin, methylcobalamin, other B vitamins and coenzymes essential for energy production and overall health support. Also includes thiamin, riboflavin, niacin, biotin, pantothenic acid, and other coenzymes.*
  • Healthy Blood Cells And Nervous System: Vital for maintaining healthy blood cells, hormones, and nervous system function. B complex with Metafolin provides adequate supply of B vitamins on a daily basis.*
  • Vitamins/Minerals/Amino Acids: Our vitamins/minerals and amino acid formulas are developed to provide beneficial support in filling nutrient gaps.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential to live healthier, today and in the future.*
#4 Real Supplements Rated Best in 2020
Douglas Laboratories - Methyl B12 Plus - Supports Blood Cell Production, Nervous System, and Metabolism - 90 Lozenges
437 Reviews
Douglas Laboratories - Methyl B12 Plus - Supports Blood Cell Production, Nervous System, and Metabolism - 90 Lozenges
  • Energy Support: As coenzymes, the B vitamins play an important role in proper energy production, including the metabolism of lipids, carbohydrates, and proteins.*
  • Unique B Vitamins: Methylfolate and methylcobalamin are the predominant forms of B vitamins commonly found in cells that do not require additional conversion in the body.
  • Vitamins/Minerals/Amino Acids: Dietary supplement formulated to provide beneficial support in filling important nutrient gaps.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential to live healthier, today and in the future.*
#5 Real Supplements Rated Best in 2020
Douglas Laboratories Hair, Skin & Nail Plus | Vitamins, Minerals, and Nutrients Formulated to Support Healthy Hair, Skin, and Nails | 100 Capsules
83 Reviews
Douglas Laboratories Hair, Skin & Nail Plus | Vitamins, Minerals, and Nutrients Formulated to Support Healthy Hair, Skin, and Nails | 100 Capsules
  • Supports Connective Tissue: Vitamin C is essential for the proper synthesis of collagen and glycosaminoglycans which are the building materials of all connective tissues, such as skin, blood vessels, tendons, joint cartilage and bone.*
  • Antioxidant Support: Vitamin C, Manganese, and Zinc work together for powerful antioxidant benefits.*
  • Foundation: Our foundational formulas include individual and multi-nutrient formulas to provide each patient with personalized nutrition.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*
#6 Real Supplements Rated Best in 2020
Douglas Laboratories Ultra Preventive X | Multivitamin Mineral Formula with Fruits and Vegetables for Daily Wellness | 120 Tablets
63 Reviews
Douglas Laboratories Ultra Preventive X | Multivitamin Mineral Formula with Fruits and Vegetables for Daily Wellness | 120 Tablets
  • Improved Formula: Contains new and improved ingredients, including vitamin K2 for bone and vascular health, bioflavonoids from quercetin, and alpha-lipoic acid for a healthy metabolism.*
  • Bioavailability: In addition, Ultra Preventive X now contains an organic phytonutrient blend with polyphenols, increased choline content for methylation and liver support, increased lutein and zeaxanthin for vision health, three types of vitamin B12, and improved mineral forms for bioavailability.*
  • Foundation: supplement formulated to support the unique biochemical and metabolic needs of each individual.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential to live healthier, today and in the future.*
#7 Real Supplements Rated Best in 2020
Douglas Laboratories Coenzyme Q10 Plus Vitamin A & E | Supports Energy Production and Proper Functioning of Cells | 30 Softgels
27 Reviews
Douglas Laboratories Coenzyme Q10 Plus Vitamin A & E | Supports Energy Production and Proper Functioning of Cells | 30 Softgels
  • Cellular Energy: coenzyme Q10 is an important rate-limiting cofactor in the mitochondrial electron transport chain, the biochemical pathway in cellular respiration from which adenosine triphosphate, the form of energy used by the body, is derived.
  • Vitamin E Source: coenzyme Q10 Softgels contain pure coenzyme Q10 (ubiquinone). coenzyme Q10 is solubilized in a base of rice bran oil and vitamin E to enhance absorption of coenzyme Q10.
  • Heart & Metabolic: Our heart & metabolic formulas are developed to play an intimate role in supporting optimal cardiovascular health.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*
#8 Real Supplements Rated Best in 2020
Douglas Laboratories Hair Growth+ | Promotes Thickness and Reduces Loss | 60 Vegetarian Capsules
24 Reviews
Douglas Laboratories Hair Growth+ | Promotes Thickness and Reduces Loss | 60 Vegetarian Capsules
  • Hair Growth: Combination of grape seed and green tea polyphenols, zinc, and taurine to support the natural hair growth cycle and provide support for hair follicles.*
  • Unique Formula: A unique ingredient to the formula is AnaGain Nu, a pea shoot extract clinically shown in men and women to promote healthy hair growth and reduce loss.*
  • Beauty By DL: Outward appearance including hair, skin and nails, is a reflection of our internal health. Supplementation with clinically studied nutrients can help support beauty from within.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential for healthy living, today and in the future.*
#9 Real Supplements Rated Best in 2020
Douglas Laboratories Vitamin D (5,000 I.U.) | Vitamin D3 Supplement to Support Immune Health, Calcium Levels, and Bones* | 100 Tablets
1,436 Reviews
Douglas Laboratories Vitamin D (5,000 I.U.) | Vitamin D3 Supplement to Support Immune Health, Calcium Levels, and Bones* | 100 Tablets
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations; All of our products are GMO-free
  • Vitamin D Source: Also known as the "sunshine vitamin", vitamin D has many roles in the body, including proper modulation of cell growth, neuromuscular and immune function health, ensuring normal calcium absorption and maintenance of healthy plasma calcium levels
  • Vitamins/Minerals/Amino Acids: Our vitamins/minerals and amino acid formulas are developed to provide beneficial support in filling nutrient gaps
  • Vitamin D Source: Also known as the "sunshine vitamin", vitamin D has many roles in the body, including proper modulation of cell growth, neuromuscular and immune function health, ensuring normal calcium absorption and maintenance of healthy plasma calcium levels;*
#10 Real Supplements Rated Best in 2020
Douglas Laboratories Ultra Preventive X Capsules | Signature Multivitamin and Mineral Supplement with Fruits and Vegetables for Daily Wellness | 240 Capsules
129 Reviews
Douglas Laboratories Ultra Preventive X Capsules | Signature Multivitamin and Mineral Supplement with Fruits and Vegetables for Daily Wellness | 240 Capsules
  • Essential Vitamins And Minerals: Ultra Preventive X has been carefully developed to contain the right proportions of vitamins, minerals, trace elements, and other nutrients.
  • Antioxidant Support: Certain nutrients, such as beta-carotene, vitamin C, vitamin E, and B-complex vitamins are included in high-potency amounts because of the vital roles they play in antioxidant support of healthy cells, proper energy production, and the maintenance of healthy blood cells.*
  • Foundation: Our foundational formulas include individual and multi-nutrient formulas to provide each patient with personalized nutrition.*
  • Our uncompromising operational practices at our state-of-the-art manufacturing facilities surpass GMP standards and manufacturing regulations. All of our products are GMO-free.
  • For 65 years, Douglas Laboratories has been dedicated to meeting the needs of healthcare professionals. As a globally recognized leader in the development of innovative, science-based nutritional supplements, we strive to help healthcare professionals and their patients push their potential to live healthier, today and in the future.*

Sam Lioon, company founder, was a nutritional pioneer. He saw an opportunity to help Americans improve their health, and began selling nutritional supplements directly to healthcare professionals. From that humble beginning, Douglas Laboratories has grown into a globally recognized leader in the development and manufacturing of innovative, science-based nutritional supplements, designed to help healthcare practitioners who are focused on the healthy aging and active lifestyles of their clients.

Benefits of Douglas Labs

State-of-the-art manufacturing facilities that surpass GMP standards and manufacturing regulations. Douglas Laboratories is a globally recognized leader in the development and manufacturing of innovative, science-based nutritional supplements, designed to help healthcare practitioners who are focused on the healthy aging and active lifestyles of their clients.

HIGHLIGHTS:

  • cGMPs for nutritional supplements in accordance with 21 CFR Part 111
  • NSF International has registered Douglas Laboratories as a GMP manufacturing facility
  • ISO 9001:2008 certification and ISO/IEC 17025:2005 accreditation of in-house laboratories
  • VCP (Vendor Certification Program) to ensure raw material quality
  • Approved facility to produce Certified Organic products
  • Approved facility to produce NSF Certified for Sport® products
  • Member of Council For Responsible Nutrition

Real Supplements gives you the best Douglas Laboratories supplements on the market today. Our top-rated lists are fresh and current so you get the best options.

Real Supps Team

We needed to put together a site we could send our friends and clients to with confidence they were getting the most updated information.  We hope this site is used as a reference that will make your purchase easier and with as much knowledge as we can share.

With over 30 years experience in the health and fitness industry, we are a team of fitness bloggers and entrepreneurs, certified personal trainers and nutritionists contributing to bringing the most up-to-date content.  We send our friends and clients here for reference to new supplements and hope it serves as a reference site for you as well.

Amazon Best Rated Products - Last Updated on 2023-06-10.

DISCLAIMER: There are affiliate links on this page. This means that at no cost to you, we will receive a small commission if you purchase through our link.