Best Magnesium Supplements

10 products compared by price per gram of active ingredient

Formulation:AllGlycinateCitrateOxideThreonateTaurateMalateOrotate
Brand:21st CenturyBluebonnetBulkSupplementsCalifornia Gold NutritionCarlsonCodeageCountry LifeDoctor's Best
Package Size:All sizes1060–1202120–2506250+2
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#1
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%
#2
Swanson Triple Magnesium Complex
$0.17per gram
$20.89 / bottle
Swanson Triple Magnesium Complex
SwansonSwanson VitaminsNew4 options · 2 retailers
Per Serving$0.07
Servings300
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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%
#3
Swanson Magnesium Oxide
$0.18per gram
$9.09 / bottle
Swanson Magnesium Oxide
SwansonSwanson Vitamins
Per Serving$0.07
Servings125
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Save 91%
#4
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%
#5
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 81%
#6
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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Save 60%
#7
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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Save 58%
#8
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 38%
#9
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
#10
Swanson Marine Magnesium
$2.20per gram
$15.89 / bottle
Swanson Marine Magnesium
SwansonSwanson VitaminsNew
Per Serving$0.26
Servings60
Formcapsule
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