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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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29 products found

Form:All forms29Tablet11Capsule14Powder3Softgel1
Package Size:All sizes24< 60160–1208120–2509250+6

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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
21st Century Healthcare Zinc Citrate Tablets 50mg, 360 Count
$0.47per gram
$8.49 / bottle
21st Century Healthcare Zinc Citrate Tablets 50mg, 360 Count
21st CenturyAmazon
Per Serving$0.02
Servings360
Formtablet
Updated today
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Save 99%
#2
BulkSupplements Zinc Citrate Capsules, 500 Count
$1.33per gram
$19.97 / bottle
BulkSupplements Zinc Citrate Capsules, 500 Count
BulkSupplementsAmazon2 options · 2 retailers
Per Serving$0.04
Servings500
Formcapsule
Updated today
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All options (sorted by value):

Amazon500 ctBulkSupplements Zinc Citrate Capsules, 500 Count
$19.97Buy
B
BulkSupplements500 ctBulkSupplements Zinc Citrate Capsules
$19.97Buy
Save 99%
#3
SOLARAY Zinc 50mg Capsules, 100 Count
$1.91per gram
$9.54 / bottle
SOLARAY Zinc 50mg Capsules, 100 Count
SolarayAmazon
Per Serving$0.10
Servings100
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#4
Source Naturals OptiZinc Zinc Methionine Sulfate Complex, 120 Tablets
$2.77per gram
$9.98 / bottle
Source Naturals OptiZinc Zinc Methionine Sulfate Complex, 120 Tablets
Source NaturalsAmazon3 options
Per Serving$0.08
Servings120
Formtablet
Updated today
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Amazon120 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 120 Tablets
$9.98Buy
240 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 240 Tablets
$20.65Buy
60 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 60 Tablets
$5.94Buy
Save 99%
#5
Natural Factors Quercetin with Zinc & Copper, 60 Vegetarian Capsules
$0.03per mg
$23.07 / bottle
Natural Factors Quercetin with Zinc & Copper, 60 Vegetarian Capsules
Natural FactorsAmazon
Per Serving$0.38
Servings60
Formcapsule
Updated today
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Save 98%
#6
NOW Foods Magnesium Citrate 200 mg, 100 Tablets
$0.12per gram
$11.60 / bottle
NOW Foods Magnesium Citrate 200 mg, 100 Tablets
NOW FoodsAmazon2 options
Per Serving$0.05
Servings250
Formtablet
Updated today
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Amazon250 ctNOW Foods Magnesium Citrate 200 mg, 100 Tablets
$11.60Buy
250 ctNOW Foods Magnesium Citrate 200 mg, 250 Tabs
$43.98Buy
Save 97%
#7
Source Naturals Zinc Amino Acid Chelate 50mg, 250 Tablets
$0.14per mg
$17.94 / bottle
Source Naturals Zinc Amino Acid Chelate 50mg, 250 Tablets
Source NaturalsAmazon
Per Serving$0.07
Servings250
Formtablet
Updated today
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Save 95%
#8
BulkSupplements Magnesium Citrate Powder, 1kg
$0.22per gram
$24.97 / bag
BulkSupplements Magnesium Citrate Powder, 1kg
BulkSupplementsAmazon6 options · 2 retailers
Per Serving$0.09
Servings286
Formpowder
Updated today
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All options (sorted by value):

Amazon286 ctBulkSupplements Magnesium Citrate Powder, 1kg
$24.97Buy
B
BulkSupplements286 ctBulkSupplements Magnesium Citrate Powder, 1 Kilogram
$26.97Buy
Amazon143 ctBulkSupplements Magnesium Citrate Powder, 500g
$19.97Buy
+3 more...
Save 95%
#9
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 94%
#10
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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All options (sorted by value):

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 93%
#11
NOW Foods Magnesium Citrate, 240 Veg Capsules
$0.34per gram
$16.42 / bottle
NOW Foods Magnesium Citrate, 240 Veg Capsules
NOW FoodsAmazon4 options · 2 retailers
Per Serving$0.14
Servings120
Formcapsule
Updated today
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All options (sorted by value):

Amazon120 ctNOW Foods Magnesium Citrate, 240 Veg Capsules
$16.42Buy
60 ctNOW Foods Magnesium Citrate Veg Capsules, 120 Count
$11.60Buy
i
iHerb80 ctNOW Foods Magnesium Citrate, 240 Veg Capsules
$23.27Buy
+1 more...
Save 90%
#12
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 89%
#13
Swanson Magnesium Citrate Powder, 8.6 oz
$0.49per gram
$17.92 / bag
Swanson Magnesium Citrate Powder, 8.6 oz
SwansonAmazon
Per Serving$0.31
Servings58
Formpowder
Updated today
BuyAffiliate link
Save 88%
#14
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 88%
#15
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 87%
#16
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 86%
#17
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
$0.65per gram
$17.47 / bottle
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
Natural FactorsAmazon
Per Serving$0.10
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 85%
#18
BulkSupplements Magnesium Citrate Capsules, 360 Count
$0.69per gram
$24.97 / bottle
BulkSupplements Magnesium Citrate Capsules, 360 Count
BulkSupplementsAmazon
Per Serving$0.28
Servings90
Formcapsule
Updated today
BuyAffiliate link
Save 84%
#19
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 83%
#20
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
$0.78per gram
$24.95 / bottle
NOW Foods Magnesium Citrate 400mg, 120 Veg Capsules
NOW FoodsAmazon
Per Serving$0.31
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link
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