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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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325 products found

Form:All forms325Capsule323Softgel1Powder1
Package Size:All sizes311< 603260–120148120–250105250+26

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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 58%
#261
Ultimate Ashwagandha KSM-66
$0.85per gram
$12.79 / bottle
Ultimate Ashwagandha KSM-66
SwansonSwanson VitaminsNew
Per Serving$0.21
Servings60
Formcapsule
Updated today
SBuyAffiliate link
Save 98%
#262
Solaray Magnesium Citrate VegCaps, 180 Count
$0.87per gram
$20.89 / bottle
Solaray Magnesium Citrate VegCaps, 180 Count
SolarayiHerb
Per Serving$0.35
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#263
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
$0.88per gram
$6.99 / bottle
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
SwansoniHerb
Per Serving$0.12
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#264
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 3 days ago
BuyAffiliate link
Save 98%
#265
BulkSupplements Magnesium Glycinate Capsules
$0.92per gram
$21.97 / bottle
BulkSupplements Magnesium Glycinate Capsules
BulkSupplementsBulkSupplements4 options · 2 retailers
Per Serving$0.37
Servings60
Formcapsule
Updated today
BBuyAffiliate link

All options (sorted by value):

Different serving sizes — compare by $/gram for accuracy

B
BulkSupplements60 ctBulkSupplements Magnesium Glycinate Capsules
$21.97Buy
B
Bulk Supplements Magnesium Glycinate Capsules, 200mg, 240 Count
$21.97Buy
AmazonBulkSupplements Magnesium Glycinate Capsules, 240 Count
$21.97Buy
+1 more...
Save 98%
#266
Evlution Organic Mushroom Supplement Capsules, 30 Servings
$0.93per gram
$13.99 / bottle
Evlution Organic Mushroom Supplement Capsules, 30 Servings
EVLutionAmazon
Per Serving$0.47
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#267
Solaray Organic Lion's Mane Fermented, 60 Capsules
$0.95per gram
$28.49 / bottle
Solaray Organic Lion's Mane Fermented, 60 Capsules
SolarayiHerbNew
Per Serving$0.95
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#268
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
$0.95per gram
$9.50 / bottle
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
Life ExtensioniHerbNew
Per Serving$0.10
Servings100
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#269
NOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 120 Count
$0.96per gram
$22.93 / bottle
NOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 120 Count
NOW FoodsAmazon3 options
Per Serving$0.19
Servings120
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctNOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 120 Count
$22.93Buy
NOW Foods L-Theanine 200 mg, 60 Vegi Caps
Buy
NOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 60 Count
Buy
Save 98%
#270
Swanson Turmeric, Ashwagandha & Ginseng Complex
$0.96per gram
$11.49 / bottle
Swanson Turmeric, Ashwagandha & Ginseng Complex
SwansonSwanson Vitamins
Per Serving$0.19
Servings60
Formcapsule
Updated today
SBuyAffiliate link
Save 97%
#271
NOW Foods Magnesium Glycinate with BioPerine, 180 Veg Capsules
$1.02per gram
$18.36 / bottle
NOW Foods Magnesium Glycinate with BioPerine, 180 Veg Capsules
NOW FoodsiHerb
Per Serving$0.20
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 74%
#272
Sensoril Ashwagandha
$1.05per gram
$15.69 / bottle
Sensoril Ashwagandha
SwansonSwanson VitaminsNew
Per Serving$0.13
Servings120
Formcapsule
Updated today
SBuyAffiliate link
Save 97%
#273
California Gold Nutrition Magnesium Glycinate, 180 Veggie Capsules
$1.05per gram
$25.25 / bottle
California Gold Nutrition Magnesium Glycinate, 180 Veggie Capsules
California Gold NutritioniHerbNew
Per Serving$0.42
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 97%
#274
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 97%
#275
Swanson Magnesium Glycinate with BioPerine
$1.12per gram
$20.19 / bottle
Swanson Magnesium Glycinate with BioPerine
NOW FoodsSwanson Vitamins2 options · 2 retailers
Per Serving$0.22
Servings90
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins90 ctSwanson Magnesium Glycinate with BioPerine
$20.19Buy
i
iHerbNOW Foods Magnesium Glycinate, 90 Count
$11.01Buy
Save 97%
#276
21st Century Magnesium Glycinate 200 mg Capsules, 90 Count
$1.22per gram
$10.99 / bottle
21st Century Magnesium Glycinate 200 mg Capsules, 90 Count
21st CenturyAmazon
Per Serving$0.24
Servings45
Formcapsule
Updated today
BuyAffiliate link
Save 97%
#277
California Gold Nutrition Triple Magnesium Complex Capsules, 120 Count
$1.23per gram
$15.51 / bottle
California Gold Nutrition Triple Magnesium Complex Capsules, 120 Count
California Gold NutritioniHerbNew
Per Serving$0.26
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#278
Probase Nutrition Lion's Mane Mushroom 100mg, 120 Capsules
$1.30per gram
$15.65 / bottle
Probase Nutrition Lion's Mane Mushroom 100mg, 120 Capsules
ProbaseiHerbNew
Per Serving$0.13
Servings120
Formcapsule
Updated today
iBuyAffiliate link
Save 97%
#279
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
$1.36per gram
$32.76 / bottle
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
BluebonnetiHerb3 options · 2 retailers
Per Serving$0.27
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbBluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
$32.76Buy
Amazon60 ctBlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
$23.60Buy
i
iHerbBluebonnet Nutrition Chelated Magnesium 100mg Capsules, 120 Count
$13.56Buy
Save 96%
#280
NOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$1.41per gram
$12.70 / bottle
NOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
NOW FoodsAmazon2 options
Per Serving$0.14
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

AmazonNOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$12.70Buy
90 ctNOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$23.86Buy
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