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Compare supplement prices normalized to cost per gram of active ingredient. No health claims — just transparent pricing data.

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Search Supplements

48 products found

Form:All forms48Powder6Tablet15Capsule22Gummy3Softgel2
Package Size:All sizes42< 60260–12014120–25017250+9

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Supplement Type

Alpha GPCAshwagandhaB ComplexCalciumCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

In Stock Only
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Save 96%
#21
Swanson Triple Magnesium Complex Powder
$0.31per gram
$20.39 / bag
Swanson Triple Magnesium Complex Powder
SwansonSwanson Vitamins
Per Serving$0.12
Servings167
Formpowder
Updated today
SBuyAffiliate link
Save 96%
#22
Loaded Creatine - Baja Cooler
$0.33per gram
$39.99 / bottle
Loaded Creatine - Baja Cooler
RyseSwanson Vitamins
Per Serving$1.33
Servings30
Formcapsule
Updated today
SBuyAffiliate link
Save 95%
#23
NOW Foods Magnesium Citrate 200 mg, 250 Tabs
$0.45per gram
$44.95 / bottle
NOW Foods Magnesium Citrate 200 mg, 250 Tabs
NOW FoodsAmazon2 options
Per Serving$0.18
Servings250
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon250 ctNOW Foods Magnesium Citrate 200 mg, 250 Tabs
$44.95Buy
NOW Foods Magnesium Citrate 200 mg, 100 Tablets
Buy
Save 94%
#24
NOW Foods Magnesium Citrate, 240 Veg Capsules
$0.46per gram
$16.42 / bottle
NOW Foods Magnesium Citrate, 240 Veg Capsules
NOW FoodsAmazon
Per Serving$0.18
Servings120
Formcapsule
Updated today
BuyAffiliate link
Save 94%
#25
Country Life Magnesium and Potassium Supplement
$0.46per gram
$24.99 / bottle
Country Life Magnesium and Potassium Supplement
Country LifeAmazon
Per Serving$0.28
Servings90
Formtablet
Updated today
BuyAffiliate link
Save 94%
#26
Swanson Magnesium Citrate Powder, 8.6 oz
$0.49per gram
$17.92 / bag
Swanson Magnesium Citrate Powder, 8.6 oz
SwansonAmazon
Per Serving$0.31
Servings58
Formpowder
Updated today
BuyAffiliate link
Save 93%
#27
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
$0.56per gram
$6.75 / bottle
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
Life ExtensionAmazon
Per Serving$0.11
Servings60
Formcapsule
Updated today
BuyAffiliate link
Save 93%
#28
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
$0.57per gram
$28.74 / bottle
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
Source NaturalsAmazon3 options · 2 retailers
Per Serving$0.24
Servings120
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctSource Naturals Ultra-Mag 5 in 1, 240 Tablets
$28.74Buy
60 ctSource Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
$14.69Buy
S
Swanson Vitamins60 ctSwanson Ultra-Mag
$15.39Buy
Save 93%
#29
Solgar Magnesium Citrate Tablets, 120 Count
$0.58per gram
$13.90 / bottle
Solgar Magnesium Citrate Tablets, 120 Count
SolgariHerbNew
Per Serving$0.23
Servings60
Formtablet
Updated today
iBuyAffiliate link
Save 93%
#30
Swanson Magnesium Citrate Super Strength
$0.61per gram
$16.49 / bottle
Swanson Magnesium Citrate Super Strength
SwansonSwanson Vitamins
Per Serving$0.14
Servings120
Formtablet
Updated today
SBuyAffiliate link
Save 93%
#31
NOW Foods Magnesium Citrate, 100 Tablets
$0.61per gram
$12.24 / bottle
NOW Foods Magnesium Citrate, 100 Tablets
NOW FoodsiHerbNew2 options
Per Serving$0.24
Servings50
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb50 ctNOW Foods Magnesium Citrate, 100 Tablets
$12.24Buy
i
30 ctNOW Foods Magnesium Citrate, 90 Count
$12.24Buy
Save 92%
#32
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 FoodsAmazon2 options · 2 retailers
Per Serving$0.26
Servings45
Formsoftgel
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon45 ctNOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$11.60Buy
i
iHerb60 ctNOW Foods Magnesium Citrate Softgels, 180 Count
$22.04Buy
Save 92%
#33
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
$0.65per gram
$17.47 / bottle
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
Natural FactorsAmazon
Per Serving$0.10
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 92%
#34
BulkSupplements Magnesium Citrate Capsules, 360 Count
$0.69per gram
$24.97 / bottle
BulkSupplements Magnesium Citrate Capsules, 360 Count
BulkSupplementsAmazon2 options · 2 retailers
Per Serving$0.28
Servings90
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon90 ctBulkSupplements Magnesium Citrate Capsules, 360 Count
$24.97Buy
B
BulkSupplements90 ctMagnesium Citrate Capsules
$24.97Buy
Save 91%
#35
SOLARAY Once Daily High Energy Multivitamin, 60 VegCap
$0.75per 1000 IU
$18.08 / bottle
SOLARAY Once Daily High Energy Multivitamin, 60 VegCap
SolarayAmazon
Per Serving$0.30
Servings60
Formtablet
Updated today
BuyAffiliate link
Save 91%
#36
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
$0.78per gram
$24.95 / bottle
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
NOW FoodsAmazon
Per Serving$0.31
Servings80
Formcapsule
Updated today
BuyAffiliate link
Save 90%
#37
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
$0.84per gram
$20.94 / bottle
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
NOW FoodsAmazon
Per Serving$0.08
Servings250
Formtablet
Updated today
BuyAffiliate link
Save 90%
#38
Solaray Magnesium Citrate VegCaps, 180 Count
$0.87per gram
$20.89 / bottle
Solaray Magnesium Citrate VegCaps, 180 Count
SolarayiHerbNew
Per Serving$0.35
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 89%
#39
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
$0.91per gram
$19.59 / bottle
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
NOW FoodsAmazon
Per Serving$0.11
Servings180
Formcapsule
Updated yesterday
BuyAffiliate link
Save 89%
#40
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
$0.95per gram
$9.50 / bottle
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
Life ExtensioniHerbNew
Per Serving$0.10
Servings100
Formcapsule
Updated today
iBuyAffiliate link
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