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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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122 products found

Form:All forms122Capsule120Softgel1Tablet1
Package Size:All sizes110< 601060–12051120–25040250+9

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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

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Availability

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Save 83%
#101
Nordic Naturals Magnesium Glycinate Capsules, 90 Count
$2.49per gram
$18.66 / bottle
Nordic Naturals Magnesium Glycinate Capsules, 90 Count
Nordic NaturalsAmazon
Per Serving$0.62
Servings30
Formcapsule
Updated today
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Save 83%
#102
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Capsules, 120 Veg Caps
$2.53per gram
$15.97 / bottle
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Capsules, 120 Veg Caps
Doctor's BestAmazon
Per Serving$0.27
Servings60
Formcapsule
Updated today
BuyAffiliate link
Save 83%
#103
Doctor's BEST L-Theanine, 150 mg, 90 Count
$2.55per gram
$22.99 / bottle
Doctor's BEST L-Theanine, 150 mg, 90 Count
Doctor's BestAmazon
Per Serving$0.26
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 82%
#104
Host Defense MycoBotanicals Brain Capsules, 60 Count
$2.66per gram
$23.96 / bottle
Host Defense MycoBotanicals Brain Capsules, 60 Count
Host DefenseAmazon
Per Serving$0.80
Servings30
Formcapsule
Updated today
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Save 81%
#105
Source Naturals Magnesium Malate 625mg, 200 Capsules
$2.75per gram
$15.49 / bottle
Source Naturals Magnesium Malate 625mg, 200 Capsules
Source NaturalsAmazon
Per Serving$0.15
Servings100
Formcapsule
Updated today
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Save 80%
#106
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
$2.89per gram
$12.99 / bottle
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
EVLutionAmazon
Per Serving$0.29
Servings45
Formcapsule
Updated today
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Save 78%
#107
California Gold Nutrition L-Theanine AlphaWave 100 mg, 30 Veggie Capsules
$3.17per gram
$9.50 / bottle
California Gold Nutrition L-Theanine AlphaWave 100 mg, 30 Veggie Capsules
California Gold NutritionAmazon
Per Serving$0.32
Servings30
Formcapsule
Updated yesterday
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Save 77%
#108
NOW Foods Magtein Magnesium Veg Capsules, 90 Count
$3.44per gram
$30.99 / bottle
NOW Foods Magtein Magnesium Veg Capsules, 90 Count
NOW FoodsAmazon
Per Serving$0.69
Servings45
Formcapsule
Updated today
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Save 75%
#109
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
MegaFoodAmazon
Per Serving$0.93
Servings15
Formcapsule
Updated today
BuyAffiliate link
Save 74%
#110
Host Defense MycoBenefits Sleep Capsules, 60 Count
$3.74per gram
$22.46 / bottle
Host Defense MycoBenefits Sleep Capsules, 60 Count
Host DefenseAmazon
Per Serving$0.75
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 74%
#111
Host Defense MycoBenefits Mood Capsules, 60 Count
$3.74per gram
$22.46 / bottle
Host Defense MycoBenefits Mood Capsules, 60 Count
Host DefenseAmazon
Per Serving$0.75
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 73%
#112
BlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
$3.93per gram
$23.60 / bottle
BlueBonnet Nutrition Albion Chelated Magnesium Vegetable Capsules, 200 mg, 120 Count
BluebonnetAmazon
Per Serving$0.79
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 69%
#113
Sports Research Sleep Complex Capsules, 30 Servings
$4.49per gram
$26.95 / bottle
Sports Research Sleep Complex Capsules, 30 Servings
Sports ResearchAmazon
Per Serving$0.90
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 68%
#114
MegaFood Kids One Daily Multivitamin Soft Chews, 30 Chews
$4.64per 1000 IU
$18.39 / bottle
MegaFood Kids One Daily Multivitamin Soft Chews, 30 Chews
MegaFoodAmazon
Per Serving$0.61
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 68%
#115
Sports Research Sleep Complex with Melatonin 5mg, L-Theanine 200mg & Magnesium, 60 Veggie Capsules
$4.66per gram
$27.95 / bottle
Sports Research Sleep Complex with Melatonin 5mg, L-Theanine 200mg & Magnesium, 60 Veggie Capsules
Sports ResearchAmazon
Per Serving$0.93
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 66%
#116
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 4 days ago
BuyAffiliate link
Save 63%
#117
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 53%
#118
Source Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
$6.82per gram
$60.19 / bottle
Source Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
Source NaturalsAmazon2 options
Per Serving$1.00
Servings60
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon60 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 180 Capsules
$60.19Buy
30 ctSource Naturals Magtein Magnesium L-Threonate 667mg, 90 Capsules
$30.79Buy
Save 53%
#119
Sports Research Magnesium L-Threonate Capsules 2000mg, 90 Count
$6.93per gram
$29.95 / bottle
Sports Research Magnesium L-Threonate Capsules 2000mg, 90 Count
Sports ResearchAmazon
Per Serving$1.00
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 52%
#120
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
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