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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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74 products found

Form:All forms74Powder8Tablet15Capsule48Softgel2Liquid1
Package Size:All sizes65< 60260–12023120–25035250+5

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Supplement Type

Alpha GPCAshwagandhaB ComplexCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

In Stock Only
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Save 83%
#61
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Capsules, 120 Veg Caps
$2.53per gram
$15.97 / bottle
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Capsules, 120 Veg Caps
Doctor's BestAmazon
Per Serving$0.27
Servings60
Formcapsule
Updated today
BuyAffiliate link
Save 83%
#62
Doctor's BEST L-Theanine, 150 mg, 90 Count
$2.55per gram
$22.99 / bottle
Doctor's BEST L-Theanine, 150 mg, 90 Count
Doctor's BestAmazon
Per Serving$0.26
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 81%
#63
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%
#64
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%
#65
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 73%
#66
BlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
$3.93per gram
$23.60 / bottle
BlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
BluebonnetAmazon
Per Serving$0.79
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 70%
#67
Thorne Magnesium Bisglycinate, 6.5 oz
$4.33per gram
$52.00 / bottle
Thorne Magnesium Bisglycinate, 6.5 oz
ThorneiHerbNew
Per Serving$0.87
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 69%
#68
Sports Research Sleep Complex Capsules, 30 Servings
$4.49per gram
$26.95 / bottle
Sports Research Sleep Complex Capsules, 30 Servings
Sports ResearchAmazon
Per Serving$0.90
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 68%
#69
Sports Research Sleep Complex with Melatonin 5mg, L-Theanine 200mg & Magnesium, 60 Veggie Capsules
$4.66per gram
$27.95 / bottle
Sports Research Sleep Complex with Melatonin 5mg, L-Theanine 200mg & Magnesium, 60 Veggie Capsules
Sports ResearchAmazon
Per Serving$0.93
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 68%
#70
California Gold Nutrition Triple Magnesium Complex, 70 mg, 90 Veggie Capsules
$4.71per gram
$29.69 / bottle
California Gold Nutrition Triple Magnesium Complex, 70 mg, 90 Veggie Capsules
California Gold NutritioniHerbNew
Per Serving$0.99
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 65%
#71
Nature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
$5.15per gram
$16.49 / bottle
Nature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
Nature's AnsweriHerbNew2 options · 2 retailers
Per Serving$1.03
Servings16
Formliquid
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb16 ctNature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
$16.49Buy
Amazon16 ctNature's Answer Liquid Magnesium Malate and Glycinate, 16oz
$16.49Buy
Save 63%
#72
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 47%
#73
Thorne Magnesium Bisglycinate, 30 Stick Packs
$7.83per gram
$47.00 / bottle
Thorne Magnesium Bisglycinate, 30 Stick Packs
ThorneiHerbNew
Per Serving$1.57
Servings30
Formcapsule
Updated today
iBuyAffiliate link
#74
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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