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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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30 products found

Form:All forms30Capsule19Tablet6Powder5
Package Size:All sizes2560–12012120–25011250+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 86%
#21
BlueBonnet Nutrition Magnesium Glycinate 400mg Veggie Capsules, 120 Count
$2.00per gram
$23.96 / bottle
BlueBonnet Nutrition Magnesium Glycinate 400mg Veggie Capsules, 120 Count
BluebonnetAmazon
Per Serving$0.80
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 84%
#22
Swanson Magnesium Lysinate Glycinate Chelated
$2.38per gram
$14.99 / bottle
Swanson Magnesium Lysinate Glycinate Chelated
Doctor's BestSwanson Vitamins3 options · 3 retailers
Per Serving$0.25
ServingsN/A
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson VitaminsSwanson Magnesium Lysinate Glycinate Chelated
$14.99Buy
Amazon60 ctDoctor's BEST High Absorption Magnesium Glycinate Lysinate Capsules, 120 Veg Caps
$15.97Buy
i
iHerbDoctor's Best High Absorption Magnesium, 120 Veggie Caps
$14.99Buy
Save 83%
#23
Seeking Health Magnesium Glycinate Powder, 200 mg per Serving, 75 Servings
$2.47per gram
$37.00 / bag
Seeking Health Magnesium Glycinate Powder, 200 mg per Serving, 75 Servings
Seeking HealthAmazon
Per Serving$0.49
Servings75
Formpowder
Updated today
BuyAffiliate link
Save 83%
#24
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%
#25
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%
#26
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%
#27
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%
#28
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
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

AmazonSports 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 52%
#29
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
BuyAffiliate link

All options (sorted by value):

Amazon30 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$30.79Buy
Source Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
$60.19Buy
#30
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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