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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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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
Force Factor Spermidine Capsules, 120 Count
$0.04per mg
$24.98 / bottle
Force Factor Spermidine Capsules, 120 Count
Force FactorAmazon
Per Serving$0.42
Servings60
Formcapsule
Updated today
BuyAffiliate link
#2
DR. EMIL NUTRITION Spermidine 5mg Capsules, 60 Count
$0.30per mg
$45.18 / bottle
DR. EMIL NUTRITION Spermidine 5mg Capsules, 60 Count
Dr. EmilAmazon2 options · 2 retailers
Per Serving$1.51
Servings30
Formcapsule
Updated just now
BuyAffiliate link

All options (sorted by value):

Amazon30 ctDR. EMIL NUTRITION Spermidine 5mg Capsules, 60 Count
$45.18Buy
i
iHerb30 ctDr. Emil Nutrition Spermidine Capsules, 60 Count
$50.52Buy

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