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Magnesium

(46 Results)
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  • Super Magnesium 400 MG - 90 Caplets &#40;45 Servings&#41; | GNC
    GNC
    GNC Super Magnesium 400 MG - 90 Caplets (45 Servings)
    45 servings
    57
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    $19.99
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  • GNC Magnesium Capsules 500 mg Front Bottle
    GNC
    GNC Magnesium Capsules 500mg - 120 Capsules (120 Servings)
    120 servings
    91
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    $16.99
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  • Magnesium 250mg - Strawberry - 60 Soft Chews &#40;30 Servings&#41; | GNC
    GNC
    GNC Magnesium 250mg - Strawberry - 60 Soft Chews (30 Servings)
    30 servings
    55
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    $19.99
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  • Magnesium Vegetarian Tablets 250mg - 90 Vegetarian Tablets &#40;90 Servings&#41; | GNC
    GNC
    GNC Magnesium Vegetarian Tablets 250mg - 90 Vegetarian Tablets (90 Servings)
    90 servings
    14
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    $9.99
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  • Liposomal Magnesium Glycinate - 120 Capsules &#40;30 Servings&#41; | GNC
    Codeage
    Codeage Liposomal Magnesium Glycinate - 120 Capsules (30 Servings)
    30 servings
    6
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    $29.99
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  • Liposomal Magnesium Glycinate - 240 Capsules &#40;60 Servings&#41; | GNC
    Codeage
    Codeage Liposomal Magnesium Glycinate - 240 Capsules (60 Servings)
    60 servings
    56
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    $39.99
  • Magnesium L-Threonate Triple Blend - 90 Capsules &#40;30 Servings&#41; | GNC
    Arrae
    Arrae Magnesium L-Threonate Triple Blend - 90 Capsules (30 Servings)
    30 servings
    115
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    $39.99
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  • Liposomal Magnesium L-Threonate - 90 Capsules &#40;30 Servings&#41; | GNC
    Codeage
    Codeage Liposomal Magnesium L-Threonate - 90 Capsules (30 Servings)
    30 servings
    21
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    $44.99
  • Online Only
    Magnesium Glycinate - 120 Capsules &#40;60 Servings&#41; | GNC
    Natural Rhythm
    Natural Rhythm Magnesium Glycinate - 120 Capsules (60 Servings)
    60 servings
    4
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    $19.99
  • Magnesium Glycinate - 120 Vegetarian Capsules &#40;60 Servings&#41; | GNC
    Revive
    Revive Magnesium Glycinate - 120 Vegetarian Capsules (60 Servings)
    60 servings
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    $19.99
  • New
    Magnesium Glycinate 200mg - 120 Caplets &#40;60 Servings&#41; | GNC
    GNC
    GNC Magnesium Glycinate 200mg - 120 Caplets (60 Servings)
    60 servings
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    $29.99
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  • Online Only
    Magnesium Complex - 60 Capsules &#40;60 Servings&#41; | GNC
    SNAP® Supplements
    SNAP® Supplements Magnesium Complex - 60 Capsules (60 Servings)
    60 servings
    79
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    $23.99
  • New
    Magnesium Citrate - 90 Capsules &#40;90 Servings&#41; | GNC
    ZAHLER®
    ZAHLER® Magnesium Citrate - 90 Capsules (90 Servings)
    90 servings
    Pro Exclusive: BOGO 50% Off Mix-and-Match
    $19.99
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  • Online Only
    Magnesium: Bioactive Magensium Citrate - 120 Capsules &#40;120 Servings&#41; | GNC
    ZAHLER®
    ZAHLER® Magnesium: Bioactive Magensium Citrate - 120 Capsules (120 Servings)
    120 servings
    161
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    $22.99
  • Liquid Ionic Magnesium Chloride 400mg - 4 fl oz. &#40;30 Servings&#41; | GNC
    Trace® Minerals
    Trace® Minerals Liquid Ionic Magnesium Chloride 400mg - 4 fl oz. (30 Servings)
    30 servings
    17
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    $24.99
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  • Online Only
    Magnesium: Bioactive Magensium Citrate - 60 Capsules &#40;60 Servings&#41; | GNC
    ZAHLER®
    ZAHLER® Magnesium: Bioactive Magensium Citrate - 60 Capsules (60 Servings)
    60 servings
    161
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    $12.99
  • Liposomal Magnesium Taurate - 120 Vegetable Capsules &#40;60 Servings&#41; | GNC
    Codeage
    Codeage Liposomal Magnesium Taurate - 120 Vegetable Capsules (60 Servings)
    60 servings
    22
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    $39.99
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  • Magnesium - Lemon - 11.85oz. &#40;84 Servings&#41; | GNC
    GNC
    GNC Magnesium - Lemon - 11.85oz. (84 Servings)
    84 servings
    7
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    $29.99
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  • Online Only
    Magnesium: Bioactive Magensium Citrate - 250 Capsules &#40;250 Servings&#41; | GNC
    ZAHLER®
    ZAHLER® Magnesium: Bioactive Magensium Citrate - 250 Capsules (250 Servings)
    250 servings
    161
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    $42.99
  • Magnesium Citrate - 120 Capsules &#40;40 Servings&#41; | GNC
    NOW®
    NOW® Magnesium Citrate - 120 Capsules (40 Servings)
    40 servings
    5
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    $19.99
  • Liposomal Magnesium Glycinate Powder - Unflavored - 3oz. &#40;60 Servings&#41; | GNC
    Codeage
    Codeage Liposomal Magnesium Glycinate Powder - Unflavored - 3oz. (60 Servings)
    60 servings
    12
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    $29.99
  • Online Only
    Magnesium Citrate 250mg - 90 Gummies &#40;30 Servings&#41; | GNC
    Lifeable™
    Lifeable™ Magnesium Citrate 250mg - 90 Gummies (30 Servings)
    30 servings
    Pro Exclusive: BOGO 50% Off Mix-and-Match
    $21.99
  • Back in Stock
    NutraBio Magnesium
    NutraBio®
    NutraBio® Magnesium 200mg - 120 Capsules (60 Servings)
    60 servings
    2
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    $19.99
  • Online Only
    Triple Calm Magnesium - 120 Capsules &#40;60 Servings&#41; | GNC
    Natural Rhythm
    Natural Rhythm Triple Calm Magnesium - 120 Capsules (60 Servings)
    60 servings
    902
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    $22.99
  • Online Only
    Nature&#39;s Lab Gold - Magnesium Glycinate - 120 Capsules &#40;30 Servings&#41; | GNC
    Nature's Lab®
    Nature's Lab® Nature's Lab Gold - Magnesium Glycinate - 120 Capsules (30 Servings)
    30 servings
    1
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    $19.99
  • New
    Molecular Hydration - 30 Tablets &#40;30 Servings&#41; | GNC
    Codeage
    Codeage Molecular Hydration - 30 Tablets (30 Servings)
    30 servings
    $34.99
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  • Online Only
    Extra Strength Magnesium Taurate - 120 Capsules &#40;60 Servings&#41; | GNC
    Natural Rhythm
    Natural Rhythm Extra Strength Magnesium Taurate - 120 Capsules (60 Servings)
    60 servings
    98
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    $21.99
  • Online Only
    Magnesium Citrate Gummies 900 mg - 90 Gummies &#40;30 Servings&#41; | GNC
    YumVs™
    YumVs™ Magnesium Citrate Gummies 900 mg - 90 Gummies (30 Servings)
    30 servings
    3
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    $16.99
  • Magblue Super Formula - 90 Tablets &#40;30 Servings&#41; | GNC
    Purity Products®
    Purity Products® Magblue Super Formula - 90 Tablets (30 Servings)
    30 servings
    3
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    $34.99
  • Magnesium Powder - 8.5 oz. &#40;60 Servings&#41; | GNC
    ZAHLER®
    ZAHLER® Magnesium Powder - 8.5 oz. (60 Servings)
    60 servings
    11
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    $24.99
30 of 46

Magnesium is an important mineral that helps support muscle and nerve function. Magnesium also helps assist in energy production, the making of proteins, bones and your DNA. If you need additional magnesium in your diet, consider taking a magnesium supplement pill or powder. Need help deciding which supplement to take? Read GNC's best magnesium supplement buying guide here!