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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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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 88%
#341
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 88%
#342
Host Defense MycoBenefits Focus Capsules, 60 Count
$4.99per gram
$22.46 / bottle
Host Defense MycoBenefits Focus Capsules, 60 Count
Host DefenseAmazon
Per Serving$0.75
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 87%
#343
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 83%
#344
Mellow Mag
$6.65per gram
$34.99 / bottle
Mellow Mag
SwansonSwanson Vitamins
Per Serving$0.31
Servings113
Formcapsule
Updated today
SBuyAffiliate link
Save 83%
#345
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 ResearchiHerbNew3 options · 2 retailers
Per Serving$1.00
Servings30
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb30 ctSports Research Magtein Magnesium L-Threonate, 90 Veggie Capsules
$29.95Buy
Amazon30 ctSports Research Magnesium L-Threonate Capsules 2000mg, 90 Count
$29.95Buy
i
iHerb60 ctSports Research, Sports Research, Magtein®, Magnesium L-Threonate, Veggie Capsules (666 mg per Capsule), 180 count
$59.97Buy
Save 83%
#346
Source Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$6.98per gram
$30.79 / bottle
Source Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
Source NaturalsAmazon2 options
Per Serving$1.03
Servings30
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon30 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$30.79Buy
60 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
$60.19Buy
Save 82%
#347
Life Extension Neuro-Mag Magnesium L-Threonate, 150 Vegetarian Capsules
$7.08per gram
$50.95 / bottle
Life Extension Neuro-Mag Magnesium L-Threonate, 150 Vegetarian Capsules
Life ExtensionAmazon
Per Serving$1.02
Servings50
Formcapsule
Updated today
BuyAffiliate link
Save 82%
#348
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 ExtensioniHerbNew
Per Serving$1.03
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 82%
#349
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 ExtensionAmazon
Per Serving$1.03
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 82%
#350
Life Extension Neuro-Mag Magnesium L-Threonate, Tropical Punch, 3.293 oz
$7.29per gram
$31.50 / bottle
Life Extension Neuro-Mag Magnesium L-Threonate, Tropical Punch, 3.293 oz
Life ExtensioniHerbNew
Per Serving$1.05
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 81%
#351
Magtein Magnesium L-Threonate
$7.48per gram
$34.99 / bottle
Magtein Magnesium L-Threonate
NOW FoodsSwanson Vitamins2 options · 2 retailers
Per Serving$1.17
Servings30
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins30 ctMagtein Magnesium L-Threonate
$34.99Buy
i
iHerb30 ctNOW Foods Magtein, 90 Veg Capsules
$35.07Buy
Save 81%
#352
Swanson Magnesium L-Threonate (Magtein)
$7.50per gram
$35.29 / bottle
Swanson Magnesium L-Threonate (Magtein)
SwansonSwanson Vitamins
Per Serving$0.39
Servings90
Formcapsule
Updated today
SBuyAffiliate link
Save 81%
#353
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
Save 80%
#354
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
Save 64%
#355
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
#356
Swanson UC-II Standardized Collagen
$40.32per gram
$24.19 / bottle
Swanson UC-II Standardized Collagen
SwansonSwanson Vitamins
Per Serving$0.40
Servings60
Formcapsule
Updated today
SBuyAffiliate link
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