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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

16 products found

Form:All forms16Tablet5Powder1Capsule8Softgel1Gummy1
Package Size:All sizes15< 60160–1205120–2507250+2

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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

In Stock Only
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Best Deal
#1
Natural Factors Zinc Citrate, 50 mg
$4.13per gram
$5.57 / bottle
Natural Factors Zinc Citrate, 50 mg
Natural FactorsiHerb3 options · 2 retailers
Per Serving$0.06
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbNatural Factors Zinc Citrate, 50 mg
$5.57Buy
AmazonNatural Factors Zinc Citrate 15mg Tablets, 90-Count
$3.00Buy
Natural Factors Zinc Citrate 50mg Tablets, 90 Count
$24.97Buy
Save 99%
#2
NOW Foods Magnesium Citrate Pure Powder, 8-Ounce
$0.06per gram
$11.60 / bag
NOW Foods Magnesium Citrate Pure Powder, 8-Ounce
NOW FoodsAmazon2 options · 2 retailers
Per Serving$0.03
Servings400
Formpowder
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon400 ctNOW Foods Magnesium Citrate Pure Powder, 8-Ounce
$11.60Buy
i
iHerbNOW Foods Magnesium Citrate Pure Powder, 8 oz
$12.24Buy
Save 98%
#3
Nutricost Magnesium Complex, 500mg, 240 Capsules
$0.13per gram
$15.95 / bottle
Nutricost Magnesium Complex, 500mg, 240 Capsules
NutricostiHerbNew2 options
Per Serving$0.07
Servings240
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb240 ctNutricost Magnesium Complex, 500mg, 240 Capsules
$15.95Buy
i
Nutricost Magnesium Complex, 500mg, 30 Count
$6.00Buy
Save 98%
#4
NOW Foods Magnesium Citrate Tablets, 220 Count
$0.14per gram
$12.24 / bottle
NOW Foods Magnesium Citrate Tablets, 220 Count
NOW FoodsiHerb3 options · 2 retailers
Per Serving$0.06
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbNOW Foods Magnesium Citrate Tablets, 220 Count
$12.24Buy
AmazonNOW Foods Magnesium Glycinate 100 mg, 180 Tablets
$21.12Buy
180 ctNOW Foods Magnesium 400 mg, 180 Veg Capsules
Buy
Save 98%
#5
Swanson Triple Magnesium Complex, 400 mg, 300 Vegan Capsules
$0.17per gram
$20.89 / bottle
Swanson Triple Magnesium Complex, 400 mg, 300 Vegan Capsules
SwansoniHerb4 options · 2 retailers
Per Serving$0.07
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbSwanson Triple Magnesium Complex, 400 mg, 300 Vegan Capsules
$20.89Buy
S
Swanson VitaminsSwanson Triple Magnesium Complex
$20.89Buy
i
iHerb100 ctSwanson Triple Magnesium Complex, 400 mg, 100 Vegan Capsules
$13.69Buy
+1 more...
Save 98%
#6
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
$0.20per gram
$14.69 / bottle
NOW Foods Magnesium Caps, 400 mg, 180 Veg Capsules
NOW FoodsiHerbNew
Per Serving$0.08
Servings180
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#7
Source Naturals Ultra-Mag, 240 Tabs
$0.31per gram
$15.39 / bottle
Source Naturals Ultra-Mag, 240 Tabs
Source NaturalsSwanson Vitamins4 options · 2 retailers
Per Serving$0.13
ServingsN/A
Formtablet
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson VitaminsSource Naturals Ultra-Mag, 240 Tabs
$15.39Buy
i
iHerbSource Naturals Ultra-Mag, 240 Count
$27.99Buy
i
Source Naturals Ultra-Mag, 120 Tablets
$14.69Buy
+1 more...
Save 94%
#8
NOW Foods Magnesium Citrate, 240 Veg Capsules
$0.46per gram
$16.42 / bottle
NOW Foods Magnesium Citrate, 240 Veg Capsules
NOW FoodsAmazon6 options · 2 retailers
Per Serving$0.18
ServingsN/A
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

AmazonNOW Foods Magnesium Citrate, 240 Veg Capsules
$16.42Buy
60 ctNOW Foods Magnesium Citrate Veg Capsules, 120 Count
$11.60Buy
i
iHerbNOW Foods Magnesium Citrate, 240 Veg Capsules
$23.27Buy
+3 more...
Save 93%
#9
Solgar Magnesium Citrate Tablets, 120 Count
$0.58per gram
$13.90 / bottle
Solgar Magnesium Citrate Tablets, 120 Count
SolgariHerbNew
Per Serving$0.23
Servings60
Formtablet
Updated today
iBuyAffiliate link
Save 93%
#10
NOW Foods Magnesium Citrate, 100 Tablets
$0.61per gram
$12.24 / bottle
NOW Foods Magnesium Citrate, 100 Tablets
NOW FoodsiHerb2 options
Per Serving$0.24
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbNOW Foods Magnesium Citrate, 100 Tablets
$12.24Buy
i
NOW Foods Magnesium Citrate, 90 Count
$12.24Buy
Save 92%
#11
Source Naturals Ultra-Mag, 180 Vegan Capsules
$0.64per gram
$16.09 / bottle
Source Naturals Ultra-Mag, 180 Vegan Capsules
Source NaturalsiHerb2 options · 2 retailers
Per Serving$0.27
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbSource Naturals Ultra-Mag, 180 Vegan Capsules
$16.09Buy
Amazon30 ctSource Naturals Ultra-Mag Magnesium Vegan Capsules, 90 Count
$11.97Buy
Save 92%
#12
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 FoodsAmazon2 options · 2 retailers
Per Serving$0.26
Servings45
Formsoftgel
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon45 ctNOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$11.60Buy
i
iHerbNOW Foods Magnesium Citrate Softgels, 180 Count
$22.04Buy
Save 90%
#13
Solaray Magnesium Citrate VegCaps, 180 Count
$0.87per gram
$20.89 / bottle
Solaray Magnesium Citrate VegCaps, 180 Count
SolarayiHerb
Per Serving$0.35
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 89%
#14
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
$0.95per gram
$9.50 / bottle
Life Extension Magnesium Citrate 100mg, 100 Vegetarian Capsules
Life ExtensioniHerbNew
Per Serving$0.10
Servings100
Formcapsule
Updated today
iBuyAffiliate link
Save 55%
#15
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
MegaFoodiHerb2 options · 2 retailers
Per Serving$0.93
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbMegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$13.99Buy
Amazon15 ctMegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$13.99Buy
#16
MaryRuth's Kids Magnesium Calm Gummies, Hibiscus, 60 Gummies
$8.32per gram
$24.95 / bottle
MaryRuth's Kids Magnesium Calm Gummies, Hibiscus, 60 Gummies
MaryRuth'siHerbNew
Per Serving$0.42
Servings60
Formgummy
Updated today
iBuyAffiliate link

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