Pg
PerGram/gSupplement Prices
PerGram/g
Browse AllCompare ProductsHow It Works

Affiliate Disclosure: PerGram earns commissions from qualifying purchases through affiliate links. This does not affect our rankings, which are based solely on normalized price-per-gram data. Learn more

PgPerGram/g

Compare supplement prices normalized to cost per gram of active ingredient. No health claims — just transparent pricing data.

Popular Categories

  • Magnesium
  • Creatine
  • Omega-3
  • Vitamin D
  • Ashwagandha
  • Zinc
  • Probiotics

Resources

  • Browse All Supplements
  • Compare Products
  • How PerGram Works
  • Why Price Per Gram
  • Our Methodology

Legal

PerGram is a participant in the Amazon Services LLC Associates Program, iHerb, and ShareASale affiliate networks. As an Amazon Associate, we earn from qualifying purchases.

Prices are sourced from retailer websites and updated regularly. Actual prices may vary. PerGram does not make health or efficacy claims about any supplement.

© 2026 PerGram. All rights reserved.
Privacy-friendly analytics — no cookies·Prices for informational purposes only

Search Supplements

10 products found

Form:All forms10Powder5Tablet3Softgel1Capsule1
Formulation:AllGlycinateCitrateOxideThreonateTaurateMalateOrotate
Package Size:All sizes560–1203120–2501250+1

Filters

Clear all

Supplement Type

Alpha GPCAshwagandhaB ComplexCalciumCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Formulation

GlycinateCitrateOxideThreonateTaurateMalateOrotate

Availability

In Stock Only
Sort by:
Page 1 of 1
Save 99%
Best Deal
#1
BulkSupplements Magnesium Carbonate Powder, 1kg
$0.10per gram
$25.97 / bag
BulkSupplements Magnesium Carbonate Powder, 1kg
BulkSupplementsAmazon2 options · 2 retailers
Per Serving$0.02
Servings1143
Formpowder
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon1143 ctBulkSupplements Magnesium Carbonate Powder, 1kg
$25.97Buy
B
BulkSupplements57 ctBulkSupplements Magnesium Carbonate Powder
$21.97Buy
Save 99%
#2
Bulk Supplements Magnesium Carbonate Powder, 1 Kilogram
$0.11per gram
$27.97 / bag
Bulk Supplements Magnesium Carbonate Powder, 1 Kilogram
BulkSupplementsBulkSupplements3 options
Per Serving$0.02
Servings1140
Formpowder
Updated today
BBuyAffiliate link

All options (sorted by value):

B
BulkSupplements1140 ctBulk Supplements Magnesium Carbonate Powder, 1 Kilogram
$27.97Buy
B
286 ctBulk Supplements Magnesium Carbonate Powder, 250 Grams
$18.97Buy
B
114 ctBulk Supplements Magnesium Carbonate Powder, 100 Grams
$15.97Buy
Save 98%
#3
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
BuyAffiliate link

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%
#4
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
BuyAffiliate link

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 98%
#5
NOW Foods Calcium & Magnesium Citrate Powder with Vitamin D3, 8-Ounce
$0.31per gram
$12.24 / bag
NOW Foods Calcium & Magnesium Citrate Powder with Vitamin D3, 8-Ounce
NOW FoodsAmazon
Per Serving$0.12
Servings100
Formpowder
Updated today
BuyAffiliate link
Save 96%
#6
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
iHerb60 ctNOW Foods Magnesium Citrate Softgels, 180 Count
$22.04Buy
Save 93%
#7
Source Naturals Serene Science Magnesium Serene Powder, 5 Ounce
$1.09per gram
$13.16 / bag
Source Naturals Serene Science Magnesium Serene Powder, 5 Ounce
Source NaturalsAmazon
Per Serving$0.88
Servings15
Formpowder
Updated today
BuyAffiliate link
Save 89%
#8
Codeage Keto Electrolytes Tablets, 180 Capsules
$1.71per gram
$34.99 / bag
Codeage Keto Electrolytes Tablets, 180 Capsules
CodeageAmazon
Per Serving$0.39
Servings90
Formpowder
Updated today
BuyAffiliate link
Save 86%
#9
Swanson Marine Magnesium
$2.20per gram
$15.89 / bottle
Swanson Marine Magnesium
SwansonSwanson VitaminsNew
Per Serving$0.26
Servings60
Formcapsule
Updated today
SBuyAffiliate link
#10
Source Naturals Serene Science Magnesium, Berry Flavored, 9 Ounces
$15.88per gram
$22.39 / bottle
Source Naturals Serene Science Magnesium, Berry Flavored, 9 Ounces
Source NaturalsAmazon
Per Serving$0.22
Servings100
Formtablet
Updated today
BuyAffiliate link

Get Price Alerts

Be the first to know when supplement prices drop.