Best Magnesium Supplements

18 products compared by price per gram of active ingredient

Formulation:AllGlycinateCitrateOxideThreonateTaurateMalateOrotate
Form:All forms18Powder6Capsule10Softgel1Tablet1
Brand:21st CenturyBluebonnetBulkSupplementsCalifornia Gold NutritionCarlsonCodeageCountry LifeDoctor's Best
Package Size:All sizes1260–1203120–2507250+2
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#1
Bulk Supplements Magnesium Oxide Powder, 1 kg
$0.05per gram
$29.97 / bag
Bulk Supplements Magnesium Oxide Powder, 1 kg
BulkSupplementsBulkSupplements4 options · 2 retailers
Per Serving$0.03
Servings1198
Formpowder
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BulkSupplements1198 ctBulk Supplements Magnesium Oxide Powder, 1 kg
$29.97Buy
599 ctBulk Supplements Magnesium Oxide Powder, 500 grams
$24.97Buy
299 ctMagnesium Oxide Powder
$17.97Buy
+1 more...
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#2
BulkSupplements Magnesium Hydroxide Powder, 1kg
$0.06per gram
$25.97 / bag
BulkSupplements Magnesium Hydroxide Powder, 1kg
BulkSupplementsAmazon6 options · 2 retailers
Per Serving$0.03
Servings1000
Formpowder
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Amazon1000 ctBulkSupplements Magnesium Hydroxide Powder, 1kg
$25.97Buy
BulkSupplements997 ctBulk Supplements Magnesium Hydroxide Powder, 1 Kilogram
$27.97Buy
Amazon500 ctBulkSupplements Magnesium Hydroxide Powder, 500g
$19.97Buy
+3 more...
Save 94%
#3
Nutricost Magnesium Complex, 500mg, 240 Capsules
$0.13per gram
$15.95 / bottle
Nutricost Magnesium Complex, 500mg, 240 Capsules
NutricostiHerbNew2 options
Per Serving$0.07
Servings240
Formcapsule
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iHerb240 ctNutricost Magnesium Complex, 500mg, 240 Capsules
$15.95Buy
30 ctNutricost Magnesium Complex, 500mg, 30 Count
$6.00Buy
Save 92%
#4
Swanson Triple Magnesium Complex
$0.17per gram
$20.89 / bottle
Swanson Triple Magnesium Complex
SwansonSwanson VitaminsNew4 options · 2 retailers
Per Serving$0.07
Servings300
Formcapsule
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Swanson Vitamins300 ctSwanson Triple Magnesium Complex
$20.89Buy
iHerb300 ctSwanson Triple Magnesium Complex, 400 mg, 300 Vegan Capsules
$20.89Buy
100 ctSwanson Triple Magnesium Complex, 400 mg, 100 Vegan Capsules
$13.69Buy
+1 more...
Save 92%
#5
Swanson Magnesium Oxide
$0.18per gram
$9.09 / bottle
Swanson Magnesium Oxide
SwansonSwanson Vitamins
Per Serving$0.07
Servings125
Formcapsule
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#6
Bulk Supplements Magnesium Malate Powder, 1 kg
$0.19per gram
$30.97 / bag
Bulk Supplements Magnesium Malate Powder, 1 kg
BulkSupplementsBulkSupplements5 options · 2 retailers
Per Serving$0.08
Servings400
Formpowder
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BulkSupplements400 ctBulk Supplements Magnesium Malate Powder, 1 kg
$30.97Buy
Amazon200 ctBulkSupplements Magnesium Malate Powder, 500g
$21.97Buy
BulkSupplements200 ctBulkSupplements Magnesium Malate Powder
$23.97Buy
+2 more...
Save 91%
#7
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
$0.20per gram
$14.69 / bottle
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
NOW FoodsiHerbNew3 options
Per Serving$0.08
Servings180
Formcapsule
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iHerb180 ctNOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
$14.69Buy
80 ctNOW Foods Magnesium Citrate, 240 Veg Capsules
$23.27Buy
40 ctNOW Foods Magnesium Citrate, 120 Veg Capsules
$12.24Buy
Save 90%
#8
Magnesium Oxide Capsules
$0.22per gram
$19.97 / bottle
Magnesium Oxide Capsules
BulkSupplementsBulkSupplements2 options · 2 retailers
Per Serving$0.11
Servings180
Formcapsule
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BulkSupplements180 ctMagnesium Oxide Capsules
$19.97Buy
Amazon180 ctBulkSupplements Magnesium Oxide Capsules, 180 Count
$19.97Buy
Save 86%
#9
Swanson Triple Magnesium Complex Powder
$0.31per gram
$20.39 / bag
Swanson Triple Magnesium Complex Powder
SwansonSwanson Vitamins
Per Serving$0.12
Servings167
Formpowder
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Save 85%
#10
BulkSupplements Magnesium Glycinate Powder, 500g
$0.34per gram
$22.97 / bag
BulkSupplements Magnesium Glycinate Powder, 500g
BulkSupplementsAmazon5 options · 2 retailers
Per Serving$0.10
Servings227
Formpowder
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Amazon227 ctBulkSupplements Magnesium Glycinate Powder, 500g
$22.97Buy
BulkSupplements227 ctBulkSupplements Magnesium Glycinate Powder
$24.97Buy
Amazon114 ctBulkSupplements Magnesium Glycinate Powder, 250g
$17.97Buy
+2 more...
Save 81%
#11
BulkSupplements Zinc Magnesium Aspartate Capsules
$0.41per gram
$21.97 / bottle
BulkSupplements Zinc Magnesium Aspartate Capsules
BulkSupplementsBulkSupplements
Per Serving$0.18
Servings120
Formcapsule
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#12
BulkSupplements Magnesium L-Aspartate Powder, 1 Kilogram
$0.55per gram
$43.97 / bag
BulkSupplements Magnesium L-Aspartate Powder, 1 Kilogram
BulkSupplementsBulkSupplements4 options
Per Serving$0.03
Servings1333
Formpowder
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BulkSupplements1333 ctBulkSupplements Magnesium L-Aspartate Powder, 1 Kilogram
$43.97Buy
667 ctBulkSupplements Magnesium L-Aspartate Powder
$29.97Buy
333 ctBulkSupplements Magnesium L-Aspartate Powder, 250 Grams
$22.97Buy
+1 more...
Save 71%
#13
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$0.64per gram
$11.60 / bottle
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
NOW FoodsAmazon3 options · 2 retailers
Per Serving$0.26
Servings45
Formsoftgel
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Amazon45 ctNOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$11.60Buy
iHerb60 ctNOW Foods Magnesium Citrate Softgels, 180 Count
$22.04Buy
30 ctNOW Foods Magnesium Citrate, 90 Count
$12.24Buy
Save 60%
#14
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
$0.88per gram
$6.99 / bottle
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
SwansoniHerbNew
Per Serving$0.12
Servings60
Formcapsule
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#15
BulkSupplements Magnesium Glycinate Capsules
$0.92per gram
$21.97 / bottle
BulkSupplements Magnesium Glycinate Capsules
BulkSupplementsBulkSupplements4 options · 2 retailers
Per Serving$0.37
Servings60
Formcapsule
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Different serving sizes — compare by $/gram for accuracy

BulkSupplements60 ctBulkSupplements Magnesium Glycinate Capsules
$21.97Buy
Amazon60 ctBulkSupplements Magnesium Glycinate Capsules, 240 Count
$21.97Buy
120 ctBulkSupplements Magnesium Glycinate Capsules, 240 Count
$21.97Buy
+1 more...
Save 56%
#16
KAL Magnesium Taurate+ 180 Tablets
$0.97per gram
$34.99 / bottle
KAL Magnesium Taurate+ 180 Tablets
KALiHerb
Per Serving$0.39
Servings90
Formtablet
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Save 38%
#17
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
$1.36per gram
$32.76 / bottle
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
BluebonnetiHerbNew3 options · 2 retailers
Per Serving$0.27
Servings120
Formcapsule
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iHerb120 ctBluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
$32.76Buy
Amazon60 ctBlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
$23.60Buy
iHerb30 ctBluebonnet Nutrition Chelated Magnesium 100mg Capsules, 120 Count
$13.56Buy
#18
Swanson Marine Magnesium
$2.20per gram
$15.89 / bottle
Swanson Marine Magnesium
SwansonSwanson VitaminsNew
Per Serving$0.26
Servings60
Formcapsule
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