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

15 products found

Form:All forms15Capsule14Tablet1
Package Size:All sizes14< 60160–1206120–2505250+2

Filters

Clear all

Supplement Type

Alpha GPCAshwagandhaB ComplexCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

In Stock Only
Sort by:
Page 1 of 1
Save 99%
Best Deal
#1
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
BuyAffiliate link

All options (sorted by value):

Amazon500 ctBulkSupplements Zinc Citrate Capsules, 500 Count
$19.97Buy
B
BulkSupplements500 ctBulkSupplements Zinc Citrate Capsules
$19.97Buy
Save 99%
#2
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%
#3
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
BuyAffiliate link
Save 98%
#4
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
BuyAffiliate link

All options (sorted by value):

Amazon250 ctNOW Foods Magnesium Citrate 200 mg, 100 Tablets
$11.60Buy
250 ctNOW Foods Magnesium Citrate 200 mg, 250 Tabs
$43.98Buy
Save 93%
#5
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
BuyAffiliate link

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 88%
#6
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 86%
#7
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%
#8
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 83%
#9
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
Save 81%
#10
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
$0.91per gram
$19.59 / bottle
NOW Foods Magnesium Transporters with 5 Forms of Magnesium, 180 Veg Capsules
NOW FoodsAmazon
Per Serving$0.11
Servings180
Formcapsule
Updated 5 days ago
BuyAffiliate link
Save 76%
#11
Source Naturals Serene Science Magnesium Serene, 5 Ounces
$1.10per gram
$22.39 / bottle
Source Naturals Serene Science Magnesium Serene, 5 Ounces
Source NaturalsAmazon
Per Serving$0.09
Servings240
Formcapsule
Updated today
BuyAffiliate link
Save 38%
#12
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
$2.89per gram
$12.99 / bottle
Evlution Nutrition Magnesium + L-Theanine Veggie Capsules, 90 Count
EVLutionAmazon
Per Serving$0.29
Servings45
Formcapsule
Updated today
BuyAffiliate link
Save 20%
#13
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
MegaFoodAmazon
Per Serving$0.93
Servings15
Formcapsule
Updated today
BuyAffiliate link
Save 4%
#14
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
#15
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

Get Price Alerts

Be the first to know when supplement prices drop.