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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

48 products found

Package Size:All sizes4560–12018120–25019250+8

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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

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Save 99%
#21
Swanson Collagen
$0.07per gram
$21.35 / bottle
Swanson Collagen
YoutheorySwanson Vitamins
Per Serving$0.44
Servings48
Formtablet
Updated today
SBuyAffiliate link
Save 99%
#22
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
BuyAffiliate link
Save 99%
#23
California Gold Nutrition Chewable Vitamin D3 for Children, Natural Cherry, 500 IU, 90 Tablets
$0.12per 1000 IU
$5.43 / bottle
California Gold Nutrition Chewable Vitamin D3 for Children, Natural Cherry, 500 IU, 90 Tablets
California Gold NutritioniHerb
Per Serving$0.06
Servings90
Formtablet
Updated today
iBuyAffiliate link
Save 99%
#24
NOW Foods Magnesium Citrate Tablets, 220 Count
$0.14per gram
$12.24 / bottle
NOW Foods Magnesium Citrate Tablets, 220 Count
NOW FoodsiHerbNew4 options · 2 retailers
Per Serving$0.06
Servings220
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb220 ctNOW Foods Magnesium Citrate Tablets, 220 Count
$12.24Buy
Amazon90 ctNOW Foods Magnesium Glycinate 100 mg, 180 Tablets
$21.13Buy
i
iHerb50 ctNOW Foods Magnesium Citrate, 100 Tablets
$12.24Buy
+1 more...
Save 99%
#25
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
BuyAffiliate link
Save 99%
#26
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
BuyAffiliate link
Save 98%
#27
21st Century Magnesium 250mg, 110 Count (2 Pack)
$0.26per gram
$14.32 / bottle
21st Century Magnesium 250mg, 110 Count (2 Pack)
21st CenturyAmazon2 options · 2 retailers
Per Serving$0.07
Servings220
Formtablet
Updated today
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All options (sorted by value):

Amazon220 ct21st Century Magnesium 250mg, 110 Count (2 Pack)
$14.32Buy
i
iHerb250 ct21st Century Magnesium 250mg, 250 Tablets
$7.99Buy
Save 98%
#28
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 FoodsAmazon
Per Serving$0.14
Servings125
Formtablet
Updated today
BuyAffiliate link
Save 98%
#29
Vitamatic L-Theanine 200mg Tablets, 240 Count
$0.31per gram
$14.99 / bottle
Vitamatic L-Theanine 200mg Tablets, 240 Count
VitamaticiHerbNew
Per Serving$0.12
Servings120
Formtablet
Updated today
iBuyAffiliate link
Save 98%
#30
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 97%
#31
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 100 Count
$0.40per gram
$9.95 / bottle
NOW Foods Calcium & Magnesium 2:1 Ratio Tablets, 100 Count
NOW FoodsAmazon
Per Serving$0.20
Servings50
Formtablet
Updated today
BuyAffiliate link
Save 97%
#32
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 96%
#33
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 99%
#34
Organics Ashwagandha Stress & Mood
$0.60per gram
$21.59 / bottle
Organics Ashwagandha Stress & Mood
Garden of LifeSwanson Vitamins
Per Serving$0.36
Servings60
Formtablet
Updated today
SBuyAffiliate link
Save 96%
#35
Swanson Magnesium Citrate Super Strength
$0.61per gram
$16.49 / bottle
Swanson Magnesium Citrate Super Strength
SwansonSwanson Vitamins
Per Serving$0.14
Servings120
Formtablet
Updated today
SBuyAffiliate link
Save 95%
#36
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%
#37
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 NaturalsAmazon2 options
Per Serving$0.16
Servings120
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctSource Naturals Serene Science L-Theanine with Magnesium and GABA, 120 Tablets
$18.86Buy
30 ctSource Naturals Serene Science L-Theanine with Magnesium and GABA, 60 Tablets
$11.98Buy
Save 95%
#38
Source Naturals Magnesium Chelate Complex, 100 mg, 100 Tablets
$0.79per gram
$7.94 / bottle
Source Naturals Magnesium Chelate Complex, 100 mg, 100 Tablets
Source NaturalsAmazon
Per Serving$0.08
Servings100
Formtablet
Updated today
BuyAffiliate link
Save 95%
#39
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%
#40
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 BestAmazon3 options
Per Serving$0.17
Servings120
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon120 ctDoctor's BEST High Absorption Magnesium Glycinate Lysinate Tablets, 200mg, 240 Count
$20.99Buy
120 ctDoctor's Best High Absorption Magnesium Elemental, 240 Count
$26.78Buy
60 ctDoctor's BEST High Absorption Magnesium Glycinate Lysinate, 200mg per Serving, 120 Count
$13.99Buy
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