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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

219 products found

Package Size:All sizes200< 602460–120110120–25056250+10

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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 75%
#201
The Vitamin Shoppe Alpha GPC 300 mg, 60 Vegetable Capsules
$1.94per gram
$34.99 / bottle
The Vitamin Shoppe Alpha GPC 300 mg, 60 Vegetable Capsules
The Vitamin ShoppeiHerbNew
Per Serving$0.58
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 72%
#202
Dr. Mercola Quercetin and Pterostilbene Advanced, 60 Capsules
$2.20per gram
$32.99 / bottle
Dr. Mercola Quercetin and Pterostilbene Advanced, 60 Capsules
Dr. MercolaiHerb
Per Serving$1.10
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 71%
#203
Thorne Magnesium Glycinate Capsules, 90 Count
$2.31per gram
$25.00 / bottle
Thorne Magnesium Glycinate Capsules, 90 Count
ThorneiHerb
Per Serving$0.28
Servings90
Formcapsule
Updated today
iBuyAffiliate link
Save 70%
#204
Doctor's Best High Absorption Magnesium, 120 Veggie Caps
$2.38per gram
$14.99 / bottle
Doctor's Best High Absorption Magnesium, 120 Veggie Caps
Doctor's BestiHerb
Per Serving$0.25
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 67%
#205
Swanson Suntheanine L-Theanine 100 mg, 200 Count
$2.60per gram
$15.59 / bottle
Swanson Suntheanine L-Theanine 100 mg, 200 Count
SwansoniHerbNew2 options
Per Serving$0.26
Servings60
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb60 ctSwanson Suntheanine L-Theanine 100 mg, 200 Count
$15.59Buy
i
60 ctSwanson Suntheanine L-Theanine 100 mg, 60 Veg Capsules
$15.59Buy
Save 58%
#206
Nutricost L-Theanine 200mg, 30 Count
$3.33per gram
$19.95 / bottle
Nutricost L-Theanine 200mg, 30 Count
NutricostiHerb
Per Serving$0.67
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 53%
#207
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
MegaFoodiHerb
Per Serving$0.93
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 45%
#208
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 45%
#209
Jarrow Formulas Fem Dophilus, 5 Billion CFU, 60 Veggie Capsules
$4.36per gram
$40.56 / bottle
Jarrow Formulas Fem Dophilus, 5 Billion CFU, 60 Veggie Capsules
Jarrow FormulasiHerbNew
Per Serving$0.68
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 42%
#210
Jarrow Formulas Fem Dophilus, 1 Billion CFU, 60 Veg Capsules
$4.56per gram
$36.70 / bottle
Jarrow Formulas Fem Dophilus, 1 Billion CFU, 60 Veg Capsules
Jarrow FormulasiHerbNew
Per Serving$0.61
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 40%
#211
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 21%
#212
NATURELO Magnesium Glycinate Chelate Complex Vegetarian Capsules, 240 Count
$6.24per gram
$44.95 / bottle
NATURELO Magnesium Glycinate Chelate Complex Vegetarian Capsules, 240 Count
NATURELOiHerb
Per Serving$0.19
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 16%
#213
Source Naturals Magtein Magnesium L-Threonate, 90 Capsules
$6.58per gram
$30.79 / bottle
Source Naturals Magtein Magnesium L-Threonate, 90 Capsules
Source NaturalsiHerb
Per Serving$1.03
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 12%
#214
Sports Research Magtein Magnesium L-Threonate, 90 Veggie Capsules
$6.93per gram
$29.95 / bottle
Sports Research Magtein Magnesium L-Threonate, 90 Veggie Capsules
Sports ResearchiHerb
Per Serving$1.00
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 12%
#215
Sports Research, Sports Research, Magtein®, Magnesium L-Threonate, Veggie Capsules (666 mg per Capsule), 180 count
$6.94per gram
$59.97 / bottle
Sports Research, Sports Research, Magtein®, Magnesium L-Threonate, Veggie Capsules (666 mg per Capsule), 180 count
Sports ResearchiHerb
Per Serving$1.00
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 10%
#216
Life Extension Neuro-Mag Magnesium L-Threonate, 90 Vegetarian Capsules
$7.13per gram
$30.79 / bottle
Life Extension Neuro-Mag Magnesium L-Threonate, 90 Vegetarian Capsules
Life ExtensioniHerb3 options · 2 retailers
Per Serving$1.03
Servings30
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb30 ctLife Extension Neuro-Mag Magnesium L-Threonate, 90 Vegetarian Capsules
$30.79Buy
Amazon30 ctLife Extension Neuro-Mag Magnesium L-Threonate, 90 Vegetarian Capsules
$30.79Buy
i
iHerb30 ctLife Extension Neuro-Mag Magnesium L-Threonate, Tropical Punch, 3.293 oz
$31.50Buy
Save 5%
#217
NOW Foods Magtein, 90 Veg Capsules
$7.49per gram
$35.07 / bottle
NOW Foods Magtein, 90 Veg Capsules
NOW FoodsiHerb
Per Serving$1.17
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 1%
#218
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
#219
Pendulum Akkermansia, 30 Capsules
$7.88per gram
$64.99 / bottle
Pendulum Akkermansia, 30 Capsules
PendulumiHerb
Per Serving$2.17
Servings30
Formcapsule
Updated today
iBuyAffiliate link
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