Douglas Laboratories for healthier living, today and in the future.

Douglas Laboratories® researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements, and provides customized practice support. With a 60-year heritage of innovating and designing products to meet the needs of healthcare professionals, we push the potential of both clinical practices and patients to continually perform at their personal best, today and in the future

103 products
  • Zinc Lozenges 100 CT [2Pack] - Medical Grade Nutrients
    $26.20
    $26.20
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  • Zinc Picolinate 100 CT [2 Pack] - Medical Grade Nutrients
    $32.40
    $32.40
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  • Wobenzym PS 180 CT - Medical Grade Nutrients
    $94.50
    $94.50
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  • Klean Collagen+C 340g Powder - Medical Grade Nutrients
    $38.20
    $38.20
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  • Klean Recovery 1092g - Medical Grade Nutrients
    $53.00
    $53.00
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  • Klean Recovery - 10 Sachets - Medical Grade Nutrients
    $38.60
    $38.60
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  • Klean Hydration 358 g. - Medical Grade Nutrients
    $29.10
    $29.10
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  • Klean Isolate Natural Vanilla Flavor 516g - Medical Grade Nutrients
    $52.80
    $52.80
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  • Klean Creatine 11.1oz - Medical Grade Nutrients
    $28.30
    $28.30
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  • Klean Isolate Natural Chocolate Flavor 580g - Medical Grade Nutrients
    $52.80
    $52.80
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  • Klean Isolate Natural Chocolate Flavor Single Serving Sachets - Medical Grade Nutrients
    $42.00
    $42.00
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  • Klean BCAA + Peak ATP 9.1 oz - Medical Grade Nutrients
    $53.00
    $53.00
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  • Klean Isolate Unflavored 446g - Medical Grade Nutrients
    $52.00
    $52.00
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  • Klean B-Complex 60 CT - Medical Grade Nutrients
    $22.00
    $22.00
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  • Klean Magnesium 90 CT - Medical Grade Nutrients
    $20.90
    $20.90
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  • Klean Endurance 90 CT - Medical Grade Nutrients
    $42.40
    $42.40
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  • Klean-C 60 CT - Medical Grade Nutrients
    $24.40
    $24.40
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  • Klean Probiotic 60 CT - Medical Grade Nutrients
    $39.20
    $39.20
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  • Klean Melatonin 1.7oz Spray - Medical Grade Nutrients
    $20.20
    $20.20
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  • Klean SR Beta-Alanine 120 CT - Medical Grade Nutrients
    $40.40
    $40.40
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  • Klean Omega 60 CT - Medical Grade Nutrients
    $35.40
    $35.40
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  • Klean Electrolytes - Medical Grade Nutrients
    $24.00
    $24.00
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  • Klean Multivitamin 60 CT - Medical Grade Nutrients
    $39.00
    $39.00
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  • Klean Antioxidant 90 CT - Medical Grade Nutrients
    $42.00
    $42.00
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  • Klean Focus 90 CT - Medical Grade Nutrients
    $49.80
    $49.80
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  • DHEA Plus 100 CT - Medical Grade Nutrients
    $25.90
    $25.90
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  • DHEA 50mg 100 CT - Medical Grade Nutrients
    $25.70
    $25.70
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  • Co-Enzyme Q10 30 Softgel - Medical Grade Nutrients
    $50.50
    $50.50
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