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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

74 products found

Form:All forms74Powder8Tablet15Capsule48Softgel2Liquid1
Package Size:All sizes65< 60260–12023120–25035250+5

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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 96%
#21
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
$0.56per gram
$6.75 / bottle
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
Life ExtensionAmazon
Per Serving$0.11
Servings60
Formcapsule
Updated today
BuyAffiliate link
Save 96%
#22
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
$0.57per gram
$29.30 / bottle
Source Naturals Ultra-Mag 5 in 1, 240 Tablets
Source NaturalsAmazon
Per Serving$0.24
Servings120
Formtablet
Updated today
BuyAffiliate link
Save 96%
#23
Source Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
$0.58per gram
$14.69 / bottle
Source Naturals Ultra-Mag 5 in 1 Magnesium, 120 Vegan Tablets
Source NaturalsAmazon
Per Serving$0.24
ServingsN/A
Formtablet
Updated today
BuyAffiliate link
Save 96%
#24
Bulk Supplements Magnesium Glycinate Powder, 250 g
$0.58per gram
$19.97 / bag
Bulk Supplements Magnesium Glycinate Powder, 250 g
BulkSupplementsBulkSupplements2 options
Per Serving$0.18
Servings114
Formpowder
Updated today
BBuyAffiliate link

All options (sorted by value):

B
BulkSupplements114 ctBulk Supplements Magnesium Glycinate Powder, 250 g
$19.97Buy
B
103 ctBulk Supplements Magnesium Glycinate Powder, 227 g
$24.97Buy
Save 96%
#25
NOW Foods Magnesium Glycinate 100 mg, 180 Tablets
$0.59per gram
$21.08 / bottle
NOW Foods Magnesium Glycinate 100 mg, 180 Tablets
NOW FoodsAmazon
Per Serving$0.23
Servings90
Formtablet
Updated today
BuyAffiliate link
Save 96%
#26
Swanson Ultra-Mag
$0.61per gram
$15.39 / bottle
Swanson Ultra-Mag
Source NaturalsSwanson Vitamins
Per Serving$0.26
ServingsN/A
Formtablet
Updated today
SBuyAffiliate link
Save 96%
#27
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 95%
#28
Carlson Magnesium Glycinate Tablets, 200 mg, 240 Count
$0.66per gram
$31.86 / bottle
Carlson Magnesium Glycinate Tablets, 200 mg, 240 Count
CarlsoniHerb
Per Serving$0.13
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link
Save 95%
#29
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 95%
#30
SOLARAY Once Daily High Energy Multivitamin, 60 VegCap
$0.75per 1000 IU
$18.08 / bottle
SOLARAY Once Daily High Energy Multivitamin, 60 VegCap
SolarayAmazon
Per Serving$0.30
Servings60
Formtablet
Updated today
BuyAffiliate link
Save 95%
#31
Source Naturals Serene Science L-Theanine with Magnesium and GABA, 120 Tablets
$0.79per gram
$18.86 / bottle
Source Naturals Serene Science L-Theanine with Magnesium and GABA, 120 Tablets
Source NaturalsAmazon
Per Serving$0.16
Servings120
Formtablet
Updated today
BuyAffiliate link
Save 94%
#32
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
$0.84per gram
$20.94 / bottle
NOW Foods Magnesium & Calcium with Zinc and Vitamin D-3, 250 Tablets
NOW FoodsAmazon
Per Serving$0.08
Servings250
Formtablet
Updated today
BuyAffiliate link
Save 94%
#33
Doctor's Best High Absorption Magnesium Powder, 12.3 oz
$0.86per gram
$29.99 / bag
Doctor's Best High Absorption Magnesium Powder, 12.3 oz
Doctor's BestiHerb3 options · 2 retailers
Per Serving$0.17
Servings174
Formpowder
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb174 ctDoctor's Best High Absorption Magnesium Powder, 12.3 oz
$29.99Buy
i
171 ctDoctor's Best High Absorption Magnesium Powder, 12.1 oz
$29.99Buy
Amazon100 ctDoctor's BEST High Absorption Magnesium Powder, 200g
$19.99Buy
Save 94%
#34
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Tablets, 200mg, 240 Count
$0.87per gram
$20.99 / bottle
Doctor's BEST High Absorption Magnesium Glycinate Lysinate Tablets, 200mg, 240 Count
Doctor's BestAmazon
Per Serving$0.17
Servings120
Formtablet
Updated today
BuyAffiliate link
Save 94%
#35
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
$0.88per gram
$6.99 / bottle
Swanson Albion Magnesium Glycinate 133 mg, 90 Vegan Capsules
SwansoniHerb
Per Serving$0.12
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 94%
#36
Carlson Magnesium Glycinate Tablets, 180 Count
$0.89per gram
$31.86 / bottle
Carlson Magnesium Glycinate Tablets, 180 Count
CarlsoniHerb
Per Serving$0.18
Servings180
Formtablet
Updated today
iBuyAffiliate link
Save 94%
#37
Carlson Magnesium Glycinate 200mg, 180 Tablets
$0.89per gram
$31.86 / bottle
Carlson Magnesium Glycinate 200mg, 180 Tablets
CarlsoniHerb
Per Serving$0.18
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link
Save 94%
#38
Bulk Supplements Magnesium Glycinate Capsules, 200mg, 240 Count
$0.92per gram
$20.97 / bottle
Bulk Supplements Magnesium Glycinate Capsules, 200mg, 240 Count
BulkSupplementsBulkSupplements
Per Serving$0.37
ServingsN/A
Formcapsule
Updated today
BBuyAffiliate link
Save 93%
#39
California Gold Nutrition Magnesium Glycinate, 180 Veggie Capsules
$1.05per gram
$25.25 / bottle
California Gold Nutrition Magnesium Glycinate, 180 Veggie Capsules
California Gold NutritioniHerbNew
Per Serving$0.42
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 92%
#40
Doctor's Best High Absorption Magnesium Elemental, 240 Count
$1.12per gram
$26.78 / bottle
Doctor's Best High Absorption Magnesium Elemental, 240 Count
Doctor's BestAmazon
Per Serving$0.22
ServingsN/A
Formtablet
Updated today
BuyAffiliate link
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