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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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28 products found

Form:All forms28Capsule17Tablet6Powder5
Package Size:All sizes2360–12011120–25010250+2

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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

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Save 83%
#21
Nordic Naturals Magnesium Glycinate Capsules, 90 Count
$2.49per gram
$18.66 / bottle
Nordic Naturals Magnesium Glycinate Capsules, 90 Count
Nordic NaturalsAmazon
Per Serving$0.62
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 81%
#22
Source Naturals Magnesium Malate 625mg, 200 Capsules
$2.75per gram
$15.49 / bottle
Source Naturals Magnesium Malate 625mg, 200 Capsules
Source NaturalsAmazon
Per Serving$0.15
Servings100
Formcapsule
Updated today
BuyAffiliate link
Save 77%
#23
NOW Foods Magtein Magnesium Veg Capsules, 90 Count
$3.44per gram
$30.99 / bottle
NOW Foods Magtein Magnesium Veg Capsules, 90 Count
NOW FoodsAmazon
Per Serving$0.69
Servings45
Formcapsule
Updated today
BuyAffiliate link
Save 74%
#24
Host Defense MycoBenefits Sleep Capsules, 60 Count
$3.74per gram
$22.46 / bottle
Host Defense MycoBenefits Sleep Capsules, 60 Count
Host DefenseAmazon
Per Serving$0.75
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 69%
#25
Sports Research Sleep Complex Capsules, 30 Servings
$4.49per gram
$26.95 / bottle
Sports Research Sleep Complex Capsules, 30 Servings
Sports ResearchAmazon2 options
Per Serving$0.90
Servings30
Formcapsule
Updated today
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Amazon30 ctSports Research Sleep Complex Capsules, 30 Servings
$26.95Buy
30 ctSports Research Sleep Complex with Melatonin 5mg, L-Theanine 200mg & Magnesium, 60 Veggie Capsules
$27.95Buy
Save 63%
#26
Doctors Best Womens Beauty Sleep with Magnesium, Theanine, Melatonin, 60 Veggie Caps
$5.42per gram
$16.25 / bottle
Doctors Best Womens Beauty Sleep with Magnesium, Theanine, Melatonin, 60 Veggie Caps
Doctor's BestAmazon
Per Serving$0.54
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 52%
#27
Source Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$6.98per gram
$30.79 / bottle
Source Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
Source NaturalsAmazon2 options
Per Serving$1.03
Servings30
Formcapsule
Updated today
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All options (sorted by value):

Amazon30 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$30.79Buy
60 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
$60.19Buy
#28
Metabolic Maintenance MetaCalm GABA L-Theanine Capsules, 90 Count
$14.67per gram
$44.00 / bottle
Metabolic Maintenance MetaCalm GABA L-Theanine Capsules, 90 Count
Metabolic Maintenance MetaCalmAmazon
Per Serving$1.47
Servings30
Formcapsule
Updated today
BuyAffiliate link
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