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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

57 products found

Form:All forms57Powder6Tablet18Capsule28Gummy3Softgel2
Package Size:All sizes49< 60360–12015120–25020250+11

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Supplement Type

Alpha GPCAshwagandhaB ComplexCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

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Save 98%
#21
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 FoodsiHerbNew
Per Serving$0.08
Servings180
Formcapsule
Updated today
iBuyAffiliate link
Save 97%
#22
BulkSupplements Magnesium Citrate Powder, 1kg
$0.22per gram
$24.97 / bag
BulkSupplements Magnesium Citrate Powder, 1kg
BulkSupplementsAmazon6 options · 2 retailers
Per Serving$0.09
Servings286
Formpowder
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon286 ctBulkSupplements Magnesium Citrate Powder, 1kg
$24.97Buy
B
BulkSupplements286 ctBulkSupplements Magnesium Citrate Powder, 1 Kilogram
$26.97Buy
Amazon143 ctBulkSupplements Magnesium Citrate Powder, 500g
$19.97Buy
+3 more...
Save 97%
#23
Futurebiotics Calcium 1200 MG with Vitamin D3 1000 IU Sustained Release, 90 Vegetarian Tablets
$0.22per 1000 IU
$9.99 / bottle
Futurebiotics Calcium 1200 MG with Vitamin D3 1000 IU Sustained Release, 90 Vegetarian Tablets
Futurebiotics CalciumAmazon
Per Serving$0.22
Servings45
Formtablet
Updated today
BuyAffiliate link
Save 97%
#24
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
$0.28per gram
$17.40 / bottle
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
NOW FoodsAmazon2 options
Per Serving$0.14
Servings125
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon125 ctNOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
$17.40Buy
50 ctNOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 100 Count
$9.95Buy
Save 96%
#25
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%
#26
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 96%
#27
NOW Foods Magnesium Citrate, 240 Veg Capsules
$0.34per gram
$16.42 / bottle
NOW Foods Magnesium Citrate, 240 Veg Capsules
NOW FoodsAmazon4 options · 2 retailers
Per Serving$0.14
Servings120
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctNOW Foods Magnesium Citrate, 240 Veg Capsules
$16.42Buy
60 ctNOW Foods Magnesium Citrate Veg Capsules, 120 Count
$11.60Buy
i
iHerb80 ctNOW Foods Magnesium Citrate, 240 Veg Capsules
$23.27Buy
+1 more...
Save 94%
#28
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%
#29
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%
#30
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%
#31
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
$0.57per gram
$29.30 / bottle
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
Source NaturalsAmazon
Per Serving$0.24
Servings120
Formtablet
Updated today
BuyAffiliate link
Save 93%
#32
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%
#33
Source Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
$0.58per gram
$14.69 / bottle
Source Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
Source NaturalsAmazon
Per Serving$0.24
ServingsN/A
Formtablet
Updated today
BuyAffiliate link
Save 93%
#34
Swanson Ultra-Mag
$0.61per gram
$15.39 / bottle
Swanson Ultra-Mag
Source NaturalsSwanson Vitamins
Per Serving$0.26
ServingsN/A
Formtablet
Updated today
SBuyAffiliate link
Save 93%
#35
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%
#36
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%
#37
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%
#38
Source Naturals Ultra-Mag, 180 Vegan Capsules
$0.67per gram
$16.09 / bottle
Source Naturals Ultra-Mag, 180 Vegan Capsules
Source NaturalsiHerb
Per Serving$0.27
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 92%
#39
BulkSupplements Magnesium Citrate Capsules, 360 Count
$0.69per gram
$24.97 / bottle
BulkSupplements Magnesium Citrate Capsules, 360 Count
BulkSupplementsAmazon
Per Serving$0.28
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 92%
#40
Magnesium Citrate Capsules
$0.69per gram
$24.97 / bottle
Magnesium Citrate Capsules
BulkSupplementsBulkSupplements
Per Serving$0.28
ServingsN/A
Formcapsule
Updated today
BBuyAffiliate link
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