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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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Search Supplements

356 products found

Form:All forms356Capsule354Softgel1Powder1
Package Size:All sizes329< 603860–120162120–250102250+27

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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 98%
#281
Nature's Truth L Theanine 200mg, 60 Capsules
$0.75per gram
$8.99 / bottle
Nature's Truth L Theanine 200mg, 60 Capsules
Nature's TruthAmazon3 options · 2 retailers
Per Serving$0.15
Servings60
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon60 ctNature's Truth L Theanine 200mg, 60 Capsules
$8.99Buy
i
iHerb60 ctNature's Truth L-Theanine 200 mg, 60 Capsules
$9.08Buy
Amazon30 ctNature's Truth KSM-66 Ashwagandha with L-Theanine, 60 Caplets
Buy
Save 98%
#282
California Gold Nutrition L-Theanine, 100 mg, 60 Count
$0.75per gram
$4.50 / bottle
California Gold Nutrition L-Theanine, 100 mg, 60 Count
California Gold NutritioniHerbNew2 options · 2 retailers
Per Serving$0.07
Servings60
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb60 ctCalifornia Gold Nutrition L-Theanine, 100 mg, 60 Count
$4.50Buy
Amazon60 ctCalifornia Gold Nutrition L-Theanine, 100 mg, 60 Veggie Capsules
$9.99Buy
Save 98%
#283
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
$0.78per gram
$24.95 / bottle
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
NOW FoodsAmazon
Per Serving$0.31
Servings80
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#284
Host Defense Mushrooms Lion's Mane Capsules, 120 Count
$0.79per gram
$47.21 / bottle
Host Defense Mushrooms Lion's Mane Capsules, 120 Count
Host Defense Mushrooms Lion's ManeAmazon3 options
Per Serving$0.79
Servings60
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon60 ctHost Defense Mushrooms Lion's Mane Capsules, 120 Count
$47.21Buy
30 ctHost Defense Lion's Mane Mushroom Capsules, 60 Count
$25.46Buy
15 ctHost Defense Mushrooms Lion's Mane Capsules, 30 Count
$15.71Buy
Save 98%
#285
Host Defense Lion's Mane Mushrooms, 120 Capsules
$0.79per gram
$47.22 / bottle
Host Defense Lion's Mane Mushrooms, 120 Capsules
Host DefenseiHerbNew
Per Serving$0.79
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#286
Nutricost Alpha GPC Capsules 300mg, 60 Count
$0.83per gram
$14.95 / bottle
Nutricost Alpha GPC Capsules 300mg, 60 Count
NutricostiHerbNew
Per Serving$0.50
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#287
BioSchwartz 13-in-1 Mushroom Complex Capsules, 90 Count
$0.83per gram
$14.97 / bottle
BioSchwartz 13-in-1 Mushroom Complex Capsules, 90 Count
BioSchwartz 13-in-1Amazon
Per Serving$0.33
Servings45
Formcapsule
Updated yesterday
BuyAffiliate link
Save 98%
#288
BulkSupplements Magnesium Malate Capsules, 240 Count
$0.83per gram
$19.97 / bottle
BulkSupplements Magnesium Malate Capsules, 240 Count
BulkSupplementsAmazon2 options · 2 retailers
Per Serving$0.33
Servings60
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon60 ctBulkSupplements Magnesium Malate Capsules, 240 Count
$19.97Buy
B
BulkSupplements60 ctBulkSupplements Magnesium Malate Capsules
$19.97Buy
Save 99%
#289
Vital Extracts Ashwagandha
$0.84per gram
$23.79 / bottle
Vital Extracts Ashwagandha
SolaraySwanson VitaminsNew
Per Serving$0.40
Servings60
Formcapsule
Updated today
SBuyAffiliate link
Save 98%
#290
Host Defense Lion's Mane Mushrooms, 60 Capsules
$0.85per gram
$25.47 / bottle
Host Defense Lion's Mane Mushrooms, 60 Capsules
Host DefenseiHerbNew
Per Serving$0.85
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#291
Alpha GPC Capsules
$0.85per gram
$22.97 / bottle
Alpha GPC Capsules
BulkSupplementsBulkSupplements
Per Serving$0.26
Servings90
Formcapsule
Updated today
BBuyAffiliate link
Save 58%
#292
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%
#293
Solaray Magnesium Citrate VegCaps, 180 Count
$0.87per gram
$20.89 / bottle
Solaray Magnesium Citrate VegCaps, 180 Count
SolarayiHerbNew
Per Serving$0.35
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#294
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
$0.88per gram
$6.99 / bottle
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
SwansoniHerbNew
Per Serving$0.12
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#295
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 98%
#296
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
60 ctBulk Supplements Magnesium Glycinate Capsules, 200mg, 240 Count
$21.97Buy
Amazon60 ctBulkSupplements Magnesium Glycinate Capsules, 240 Count
$21.97Buy
+1 more...
Save 98%
#297
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%
#298
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%
#299
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%
#300
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 FoodsAmazon2 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 with Inositol Veg Capsules, 60 Count
Buy
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