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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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426 products found

Form:All forms426Capsule424Softgel1Tablet1
Package Size:All sizes397< 604360–120198120–250122250+34

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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

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Save 98%
#321
Swanson Magnesium Glycinate
$0.62per gram
$38.99 / bottle
Swanson Magnesium Glycinate
TraceSwanson Vitamins
Per Serving$0.22
Servings180
Formcapsule
Updated today
SBuyAffiliate link
Save 98%
#322
NOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 60 Count
$0.62per gram
$14.99 / bottle
NOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 60 Count
NOW FoodsAmazon2 options
Per Serving$0.12
Servings120
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctNOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 60 Count
$14.99Buy
120 ctNOW Foods L-Theanine 200 mg with Inositol Veg Capsules, 120 Count
$22.93Buy
Save 98%
#323
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
$0.65per gram
$17.47 / bottle
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
Natural FactorsAmazon
Per Serving$0.10
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#324
EVLution Nutrition Alpha GPC, 60 Veg Capsules
$0.66per gram
$11.93 / bottle
EVLution Nutrition Alpha GPC, 60 Veg Capsules
EVLutioniHerb
Per Serving$0.40
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#325
Source Naturals Ultra-Mag, 180 Vegan Capsules
$0.67per gram
$16.09 / bottle
Source Naturals Ultra-Mag, 180 Vegan Capsules
Source NaturalsiHerb
Per Serving$0.27
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#326
NOW Foods Magnesium Malate Capsules, 180 Count
$0.68per gram
$8.88 / bottle
NOW Foods Magnesium Malate Capsules, 180 Count
NOW FoodsAmazon
Per Serving$0.08
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#327
Real Mushrooms Lion's Mane Pet Mushroom Supplement Capsules, 120 Count
$0.69per gram
$24.95 / bottle
Real Mushrooms Lion's Mane Pet Mushroom Supplement Capsules, 120 Count
Real MushroomsAmazon
Per Serving$0.21
Servings120
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#328
BulkSupplements Magnesium Citrate Capsules, 360 Count
$0.69per gram
$24.97 / bottle
BulkSupplements Magnesium Citrate Capsules, 360 Count
BulkSupplementsAmazon
Per Serving$0.28
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#329
Magnesium Citrate Capsules
$0.69per gram
$24.97 / bottle
Magnesium Citrate Capsules
BulkSupplementsBulkSupplements
Per Serving$0.28
ServingsN/A
Formcapsule
Updated today
BBuyAffiliate link
Save 98%
#330
NutraLife L-Theanine 200 mg, 60 Capsules
$0.71per gram
$8.54 / bottle
NutraLife L-Theanine 200 mg, 60 Capsules
NutraLifeiHerb
Per Serving$0.14
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#331
Nature's Truth L Theanine 200mg, 60 Capsules
$0.75per gram
$8.99 / bottle
Nature's Truth L Theanine 200mg, 60 Capsules
Nature's TruthAmazon
Per Serving$0.15
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#332
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 NutritioniHerb2 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%
#333
Nature's Truth L-Theanine 200 mg, 60 Capsules
$0.76per gram
$9.08 / bottle
Nature's Truth L-Theanine 200 mg, 60 Capsules
Nature's TruthiHerb
Per Serving$0.15
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#334
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
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#335
Swanson Full Spectrum Lion's Mane Mushroom Capsules, 60 Count (4 Pack)
$0.78per gram
$46.79 / bottle
Swanson Full Spectrum Lion's Mane Mushroom Capsules, 60 Count (4 Pack)
SwansonAmazon3 options
Per Serving$0.39
Servings120
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctSwanson Full Spectrum Lion's Mane Mushroom Capsules, 60 Count (4 Pack)
$46.79Buy
120 ctSwanson Full Spectrum Lion's Mane Mushroom Capsules, 60 Count (2 Pack)
$26.39Buy
60 ctSwanson Full Spectrum Lion's Mane Mushroom Capsules, 60 Count
$13.37Buy
Save 98%
#336
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 ManeAmazon
Per Serving$0.79
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#337
Host Defense Lion's Mane Mushrooms, 120 Capsules
$0.79per gram
$47.22 / bottle
Host Defense Lion's Mane Mushrooms, 120 Capsules
Host DefenseiHerb2 options
Per Serving$0.79
Servings60
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb60 ctHost Defense Lion's Mane Mushrooms, 120 Capsules
$47.22Buy
i
15 ctHost Defense Lion's Mane Mushrooms Capsules, 30 Count
$15.72Buy
Save 99%
#338
Swanson Ashwagandha
$0.82per gram
$36.89 / bottle
Swanson Ashwagandha
Organic IndiaSwanson Vitamins3 options
Per Serving$0.41
Servings90
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins90 ctSwanson Ashwagandha
$36.89Buy
S
45 ctSwanson Ashwagandha
$24.29Buy
S
30 ctSwanson Ashwagandha
$21.49Buy
Save 98%
#339
Nutricost Alpha GPC Capsules 300mg, 60 Count
$0.83per gram
$14.95 / bottle
Nutricost Alpha GPC Capsules 300mg, 60 Count
NutricostiHerb
Per Serving$0.50
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#340
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 today
BuyAffiliate link
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