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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 forms28Tablet9Capsule15Powder3Softgel1
Package Size:All sizes25< 60160–1207120–25010250+7

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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 81%
#21
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
$0.84per gram
$20.94 / bottle
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
NOW FoodsAmazon
Per Serving$0.08
Servings250
Formtablet
Updated today
BuyAffiliate link
Save 80%
#22
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
$0.91per gram
$19.59 / bottle
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
NOW FoodsAmazon
Per Serving$0.11
Servings180
Formcapsule
Updated yesterday
BuyAffiliate link
Save 76%
#23
Source Naturals Serene Science Magnesium Serene Powder, 5 Ounce
$1.09per gram
$13.16 / bag
Source Naturals Serene Science Magnesium Serene Powder, 5 Ounce
Source NaturalsAmazon
Per Serving$0.88
Servings15
Formpowder
Updated today
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Save 75%
#24
Source Naturals Serene Science Magnesium Serene, 5 Ounces
$1.10per gram
$22.39 / bottle
Source Naturals Serene Science Magnesium Serene, 5 Ounces
Source NaturalsAmazon
Per Serving$0.09
Servings240
Formcapsule
Updated today
BuyAffiliate link
Save 36%
#25
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
$2.89per gram
$12.99 / bottle
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
EVLutionAmazon
Per Serving$0.29
Servings45
Formcapsule
Updated today
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Save 33%
#26
BulkSupplements Magnesium Citrate Softgels, 240 Count
$3.02per gram
$28.97 / bottle
BulkSupplements Magnesium Citrate Softgels, 240 Count
BulkSupplementsAmazon2 options · 2 retailers
Per Serving$0.12
Servings240
Formsoftgel
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon240 ctBulkSupplements Magnesium Citrate Softgels, 240 Count
$28.97Buy
B
BulkSupplements240 ctMagnesium Citrate Softgels
$28.97Buy
Save 17%
#27
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
MegaFoodAmazon2 options · 2 retailers
Per Serving$0.93
Servings15
Formcapsule
Updated today
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All options (sorted by value):

Amazon15 ctMegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$13.99Buy
i
iHerb15 ctMegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$13.99Buy
#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
Servings30
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

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
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