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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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Supplement Type

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

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

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Best Deal
#1
Source Naturals Ultra-Mag, 240 Tabs
$0.31per gram
$15.39 / bottle
Source Naturals Ultra-Mag, 240 Tabs
Source NaturalsSwanson Vitamins4 options · 2 retailers
Per Serving$0.13
ServingsN/A
Formtablet
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson VitaminsSource Naturals Ultra-Mag, 240 Tabs
$15.39Buy
i
iHerbSource Naturals Ultra-Mag, 240 Count
$27.99Buy
i
Source Naturals Ultra-Mag, 120 Tablets
$14.69Buy
+1 more...
#2
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
Source Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
$14.69Buy
S
Swanson VitaminsSwanson Ultra-Mag
$15.39Buy

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