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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

20 products found

Form:All forms20Powder4Tablet7Capsule6Softgel2Liquid1
Package Size:All sizes1560–1205120–2508250+2

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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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Best Deal
#1
BulkSupplements Magnesium Hydroxide Powder, 1kg
$0.06per gram
$25.97 / bag
BulkSupplements Magnesium Hydroxide Powder, 1kg
BulkSupplementsAmazon3 options
Per Serving$0.03
Servings1000
Formpowder
Updated today
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Amazon1000 ctBulkSupplements Magnesium Hydroxide Powder, 1kg
$25.97Buy
500 ctBulkSupplements Magnesium Hydroxide Powder, 500g
$19.97Buy
250 ctBulkSupplements Magnesium Hydroxide Powder, 250g
$16.97Buy
Save 99%
#2
Nature's Bounty Magnesium 500 mg Tablets, 200 Count
$0.09per gram
$8.98 / bottle
Nature's Bounty Magnesium 500 mg Tablets, 200 Count
Nature's BountyAmazon
Per Serving$0.04
Servings200
Formtablet
Updated today
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Save 98%
#3
21st Century Magnesium 250mg, 250 Tablets
$0.13per gram
$7.99 / bottle
21st Century Magnesium 250mg, 250 Tablets
21st CenturyiHerb2 options · 2 retailers
Per Serving$0.03
Servings250
Formtablet
Updated today
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All options (sorted by value):

i
iHerb250 ct21st Century Magnesium 250mg, 250 Tablets
$7.99Buy
Amazon220 ct21st Century Magnesium 250mg, 110 Count (2 Pack)
$14.38Buy
Save 97%
#4
BulkSupplements Magnesium Oxide Capsules, 180 Count
$0.22per gram
$19.97 / bottle
BulkSupplements Magnesium Oxide Capsules, 180 Count
BulkSupplementsAmazon
Per Serving$0.11
ServingsN/A
Formcapsule
Updated today
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Save 97%
#5
Futurebiotics Calcium 1200 MG with Vitamin D3 1000 IU Sustained Release, 90 Vegetarian Tablets
$0.22per 1000 IU
$9.99 / bottle
Futurebiotics Calcium 1200 MG with Vitamin D3 1000 IU Sustained Release, 90 Vegetarian Tablets
Futurebiotics CalciumAmazon
Per Serving$0.22
Servings45
Formtablet
Updated today
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Save 97%
#6
BulkSupplements Magnesium Oxide Powder, 100g
$0.23per gram
$13.97 / bag
BulkSupplements Magnesium Oxide Powder, 100g
BulkSupplementsAmazon
Per Serving$0.12
Servings120
Formpowder
Updated today
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Save 96%
#7
BulkSupplements Magnesium Malate Powder, 500g
$0.27per gram
$21.97 / bag
BulkSupplements Magnesium Malate Powder, 500g
BulkSupplementsAmazon4 options · 2 retailers
Per Serving$0.11
Servings200
Formpowder
Updated today
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All options (sorted by value):

Amazon200 ctBulkSupplements Magnesium Malate Powder, 500g
$21.97Buy
B
BulkSupplements200 ctBulkSupplements Magnesium Malate Powder
$23.97Buy
Amazon100 ctBulkSupplements Magnesium Malate Powder, 250g
$17.97Buy
+1 more...
Save 96%
#8
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
$0.28per gram
$17.40 / bottle
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
NOW FoodsAmazon2 options
Per Serving$0.14
Servings125
Formtablet
Updated today
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Amazon125 ctNOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 250 Count
$17.40Buy
50 ctNOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 100 Count
$9.95Buy
Save 96%
#9
Nature's Truth Magnesium Supplement, 400mg, 150 Softgels
$0.29per gram
$17.44 / bottle
Nature's Truth Magnesium Supplement, 400mg, 150 Softgels
Nature's TruthAmazon
Per Serving$0.12
Servings150
Formsoftgel
Updated today
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Save 96%
#10
NOW Foods Magnesium Malate 1000 mg, 180 Tablets
$0.34per gram
$15.10 / bottle
NOW Foods Magnesium Malate 1000 mg, 180 Tablets
NOW FoodsAmazon2 options · 2 retailers
Per Serving$0.08
Servings180
Formtablet
Updated today
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All options (sorted by value):

Amazon180 ctNOW Foods Magnesium Malate 1000 mg, 180 Tablets
$15.10Buy
i
iHerb180 ctNOW Foods Magnesium Malate, 1,000 mg, 180 Tablets
$15.91Buy
Save 96%
#11
BulkSupplements Magnesium Glycinate Powder, 500g
$0.34per gram
$22.97 / bag
BulkSupplements Magnesium Glycinate Powder, 500g
BulkSupplementsAmazon3 options · 2 retailers
Per Serving$0.10
Servings227
Formpowder
Updated today
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All options (sorted by value):

Amazon227 ctBulkSupplements Magnesium Glycinate Powder, 500g
$22.97Buy
B
BulkSupplements227 ctBulkSupplements Magnesium Glycinate Powder
$24.97Buy
Amazon114 ctBulkSupplements Magnesium Glycinate Powder, 250g
$17.97Buy
Save 96%
#12
Natural Sport Creatine 5000 Vegetarian Capsules, 180 Count
$0.35per gram
$31.24 / bottle
Natural Sport Creatine 5000 Vegetarian Capsules, 180 Count
Natural SportAmazon
Per Serving$0.35
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 94%
#13
BulkSupplements Magnesium Glycinate Capsules, 240 Count
$0.44per gram
$20.97 / bottle
BulkSupplements Magnesium Glycinate Capsules, 240 Count
BulkSupplementsAmazon3 options · 2 retailers
Per Serving$0.17
Servings120
Formcapsule
Updated today
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All options (sorted by value):

Amazon120 ctBulkSupplements Magnesium Glycinate Capsules, 240 Count
$20.97Buy
60 ctBulkSupplements Magnesium Glycinate Capsules, 240 Count
$20.97Buy
B
BulkSupplements60 ctBulkSupplements Magnesium Glycinate Capsules
$20.97Buy
Save 94%
#14
Country Life Magnesium and Potassium Supplement
$0.46per gram
$24.99 / bottle
Country Life Magnesium and Potassium Supplement
Country LifeAmazon
Per Serving$0.28
Servings90
Formtablet
Updated today
BuyAffiliate link
Save 92%
#15
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$0.64per gram
$11.60 / bottle
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
NOW FoodsAmazon
Per Serving$0.26
Servings45
Formsoftgel
Updated today
BuyAffiliate link
Save 90%
#16
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 42%
#17
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 40%
#18
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 13%
#19
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
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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
#20
Mary Ruth's Pineapple Nectarine Liquid Magnesium Blend, 30 FL oz
$7.81per gram
$39.99 / bottle
Mary Ruth's Pineapple Nectarine Liquid Magnesium Blend, 30 FL oz
MaryRuth'sAmazon
Per Serving$2.50
Servings16
Formliquid
Updated today
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