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 - B-Complex w/ Metafolin - Supports 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 immune 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 and intrinsic factor provides adequate supply of B vitamins on a daily basis.*
  • Vitamins/Minerals/Amino Acids: Dietary supplement formulated to provide valuable support in filling important nutrient gaps in adults.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best. | *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
#2 Real Supplements Rated Best in 2020
Douglas Laboratories - Multi-Probiotic 40 Billion - Provides Probiotics and Prebiotics to Support Gut Microflora and Immunity - 60 Capsules
  • Also Contains Prebiotics: also included in the synbiotic blend, is NutraFlora scFOS prebiotic fiber that is well tolerated and works synergistically with probiotics to flourish in the intestinal tract.*
  • Digestive & Immune Health: Helps to support digestive health, nutrient absorption, and immune health by balancing intestinal microflora.*
  • Digestive: Dietary supplement formulated to support G.I. health and its highly complex ecosystem.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#3 Real Supplements Rated Best in 2020
Douglas Laboratories - Vitamin D (5,000 I.U.) - Vitamin D3 Health Supplement - 100 Tablets
  • 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.*
  • Healthy Bones & Teeth: Great for healthy bones and teeth. Vitamin D3 is perfect supplement for general health support.*
  • Vitamins/Minerals/Amino Acids: Dietary supplement formulated to provide valuable support in filling important nutrient gaps in adults.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best. | *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
#4 Real Supplements Rated Best in 2020
Douglas Laboratories - Ultra Preventive 50+ - Unique Multivitamin and Mineral Supplement Formulated for Cognition, Vision, and Healthy Aging - 60 Tablets
  • Supports Healthy Aging: Ultra Preventive 50+ is a specially formulated combination of important vitamins, minerals, antioxidants and a proprietary fruit blend to support healthy aging in adults age 50.*
  • Supports Heart, Vision, & Memory: This product features CoQ10 for metabolic energy and heart health, lutein and zeaxanthin for healthy vision, lycopene for cellular support, bioavailable B vitamins, and Neurophenol, a proprietary blend of blueberry and grape seed extract clinically studied for memory in healthy aging adults.*
  • Foundation: Dietary supplement formulated to support the unique biochemical and metabolic needs of each individual.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#5 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
  • 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 protection of healthy cells, proper energy production, the maintenance of healthy blood cells.*
  • Foundation: Dietary supplement formulated to support the unique biochemical and metabolic needs of each individual.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#7 Real Supplements Rated Best in 2020
Douglas Laboratories - AdrenoMend - Ten Herbal Adaptogens to Support Adrenal Gland Function During Stress - 120 Capsules
  • Stress Support: The plant adaptogens in AdrenoMend effectively support occasional stress, support the body's natural ability to adapt to stressors, and support a healthy response to damaging consequences from those stressors.*
  • Emotional Balance: Supports the body's natural ability to respond to stress, while providing an overall feeling of balance and normalization.*
  • Hormone: Dietary supplement developed to support healthy and appropriately balanced hormones to aid in healthy and active lifestyles.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#8 Real Supplements Rated Best in 2020
Douglas Laboratories - Methyl Folate (L-5-MTHF) - 1,000 mcg Metafolin Identical to the Naturally Occurring Form of Folate to Support Overall Health - 60 Tablets
  • CONTAINS 5-MTHF: 5-MTHF is the naturally occurring, predominant form of folate commonly found in cells and is essential for overall health, as it participates as a cofactor in a reaction that involves the remethylation of homocysteine to methionine. Metafolin is directly usable by the body and has been shown to be the only form of folate to cross the blood-brain barrier.*
  • ESSENTIAL B VITAMIN:Folate is a water-soluble essential B vitamin found in many foods, including leafy green vegetables, citrus fruits and beans essential for a variety of processes in the body.*
  • VITAMINS/MINERALS/AMINO ACIDS: Dietary supplement formulated to provide valuable support in filling important nutrient gaps in adults.*
#9 Real Supplements Rated Best in 2020
Douglas Laboratories - Multi-Probiotic 15 Billion - Multi-Strain Probiotic with Prebiotic FOS - 60 Vegetarian Acid-Resistant Capsules
  • Gastrointestinal Support: Each capsule contains over 15 billion beneficial organisms for immune health and gastrointestinal support.*
  • Immune Health: Bifidobacterium lactis HN019 has been clinically shown in research to support the healthy immune system by enhancing the function of leucocytes in adults and the elderly.*
  • Digestive: Dietary supplement formulated to support G.I. health and its highly complex ecosystem.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#10 Real Supplements Rated Best in 2020
Douglas Laboratories - DHEA 10 mg - Micronized to Support Immunity, Brain, Bones, Metabolism and Lean Body Mass - 100 Capsules
  • OPTIMAL BODY FUNCTION: Recent experimental and human studies show that DHEA is involved in a large variety of physiological processes, including immune function, brain function, bone metabolism, blood lipid metabolism, energy metabolism.*
  • FAST ABSORPTION: DHEA is the parent precursor for other important steroid hormones. Its micronized formula is used for faster absorption and or sublingual administration.
  • HORMONE: Dietary supplement formulated to support healthy and appropriately balanced hormones to aid in healthy aging and active lifestyles.*
  • DOUGLAS LABORATORIES researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best. | *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
#11 Real Supplements Rated Best in 2020
Douglas Laboratories - Executive Stress Formula - Vitamins, Minerals, Enzymes, and Herbals to Support Body's Defense Against Stress - 120 Tablets
  • Energy Support: Supports normal energy production and assists in maintaining healthy blood cells, nervous system, normal hormonal balance.*
  • Stress Support: A comprehensive combination of vitamins, minerals, enzymes, herbals, and other nutrients, carefully formulated and specifically designed to support the natural function of the body's defenses against occasional stress.*
  • Foundation: Dietary supplement formulated to support the unique biochemical and metabolic needs of each individual.*
#12 Real Supplements Rated Best in 2020
Douglas Laboratories - Ultra Preventive X - Multivitamin Mineral Formula with Fruits and Vegetables for Daily Wellness - 240 Tablets
  • Improved Formula: Contains new and improved ingredients, including vitamin K2 for bone and vascular health, bioflavonoids from quercetin, and alpha lipoic acid for healthy blood sugar 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: Dietary supplement formulated to support the unique biochemical and metabolic needs of each individual.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#13 Real Supplements Rated Best in 2020
Douglas Laboratories - Cal-6 + Mg. - Six-Source Calcium Complex with Magnesium to Support Healthy Bones and Teeth - 250 Tablets
  • Calcium Source: Provides a good source of dietary calcium together with other nutrients that assist in the maintenance of healthy bone structure and function.*
  • Vitamin D & Bone Health: Vitamin D is a key regulatory hormone that supports healthy calcium and bone metabolism.*
  • Bone & Joint: Dietary supplement developed to help maintain healthy mobility and active lifestyles into the later years of adulthood.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#14 Real Supplements Rated Best in 2020
Douglas Laboratories - Pregnenolone 5 mg. - Supports Brain and Nervous System* - 100 Tablets
  • Hormone Support: Pregnenolone can be converted to DHEA or progesterone, which is a precursor to many hormones, including cortisol, aldosterone, androstenedione, estrogen and testosterone.*
  • Tissue Support: Recent studies show that pregnenolone is important for the function of brain, nervous tissue, liver, pancreas, reproductive tissues, pituitary and skin.*
  • Hormone: Dietary supplement formulated to support healthy and appropriately balanced hormones to aid in healthy aging and active lifestyles.*
#15 Real Supplements Rated Best in 2020
Douglas Laboratories - Methyl B12 Plus - Supports Blood Cell Production, Nervous System, and Metabolism - 90 Lozenges
  • Energy Support: As co-enzymes, 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 valuable support in filling important nutrient gaps in adults.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best. | *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
#16 Real Supplements Rated Best in 2020
Douglas Laboratories Vitamin C | Water Soluble Supplement for Immune Support and Antioxidants | 100 Tablets
  • Antioxidant Support: Vitamin C is among the most powerful antioxidants in humans and animals, providing protection from free radical damage to healthy eyes, lungs and blood.*
  • Skin & Joint Health: Vitamin C is essential for the synthesis of collagen, which is the building material of all connective tissues, such as skin, blood vessels, tendons, joint cartilage and bone.*
  • Vitamins/Minerals/Amino Acids: Dietary supplement formulated to provide beneficial support in filling important nutrient gaps.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#17 Real Supplements Rated Best in 2020
Douglas Laboratories Hydrolyzed Collagen+ | Revitalizes for Glowing, Youthful Skin | 4.9 Ounces
  • Healthy Skin: Unique formulation for skin and joint health.*
  • Healthy Collagen Production: Collagen peptides with hyaluronic acid and co-factors support the appearance of healthy skin by promoting collagen production, skin elasticity, and hydration.*
  • 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.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#18 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
  • 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.*
  • 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.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#19 Real Supplements Rated Best in 2020
Douglas Laboratories - Melatonin P.R. - 3 mg Prolonged-Release Melatonin Supports Sleep/Wake Cycles - 180 Tablets
  • Sleep Support: Regulates normal sleep/wake cycles and supports normal immune function.*
  • Antioxidant Support: Melatonin may also support the body's healthy defenses against oxidative damage and free radicals.*
  • Hormone: Dietary supplement developed to support healthy and appropriately balanced hormones to aid in healthy and active lifestyles.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.
#20 Real Supplements Rated Best in 2020
Douglas Laboratories - N-Acetyl-L-Cysteine 500 mg - Glutathione Precursor for Antioxidant Protection - 90 Capsules
  • Antioxidant Support: NAC is a biologically active precursor for the amino acid cysteine which, in turn, is a precursor for glutathione, a tripeptide with antioxidant properties.*
  • Supports Intracellular Glutathione: Supplementation with N-Acetyl-L-Cysteine is recognized as a safe, highly effective method of increasing healthy intracellular glutathione stores.*
  • Vitamins/Minerals/Amino Acids: Dietary supplement formulated to provide beneficial support in filling important nutrient gaps.*
  • Douglas Laboratories researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements. With a 60-year heritage of innovating and designing nutritional products, we push the potential of active individuals to continually perform at their personal best.
  • These statements have not been evaluated by the Food & Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Please contact your healthcare professional immediately if you experience any unwanted side effects. The information contained herein is for informational purposes only and does not establish a doctor-patient relationship. Please be sure to consult your physician before taking this or any other product.

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

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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.

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