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

50 products found

Form:All forms50Powder6Tablet15Capsule24Gummy3Softgel2
Package Size:All sizes44< 60260–12014120–25019250+9

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

Availability

In Stock Only
Sort by:
Page 1 of 3Next ›
Save 99%
Best Deal
#1
Bulk Supplements Zinc Citrate Powder, 1 Kilogram
$0.10per gram
$30.97 / bag
Bulk Supplements Zinc Citrate Powder, 1 Kilogram
BulkSupplementsBulkSupplements4 options
Per Serving$0.00
Servings10000
Formpowder
Updated today
BBuyAffiliate link

All options (sorted by value):

B
BulkSupplements10000 ctBulk Supplements Zinc Citrate Powder, 1 Kilogram
$30.97Buy
B
5000 ctBulk Supplements Zinc Citrate Powder, 500 Grams
$24.97Buy
B
2500 ctBulkSupplements Zinc Citrate Powder
$18.97Buy
+1 more...
Save 99%
#2
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
BuyAffiliate link
Save 99%
#3
Swanson Zinc Citrate, 50 mg, 120 Capsules
$0.67per gram
$3.99 / bottle
Swanson Zinc Citrate, 50 mg, 120 Capsules
SwansonSwanson VitaminsNew3 options · 2 retailers
Per Serving$0.03
Servings120
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins120 ctSwanson Zinc Citrate, 50 mg, 120 Capsules
$3.99Buy
S
60 ctSwanson Zinc Citrate
$3.99Buy
Amazon60 ctSwanson Zinc Citrate 30mg, 60 Capsules
$7.45Buy
Save 99%
#4
BulkSupplements Zinc Citrate Capsules, 500 Count
$1.33per gram
$19.97 / bottle
BulkSupplements Zinc Citrate Capsules, 500 Count
BulkSupplementsAmazon3 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 ctBulk Supplements Zinc Citrate Capsules, 240 Count
$19.97Buy
B
500 ctBulkSupplements Zinc Citrate Capsules
$19.97Buy
Save 99%
#5
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%
#6
Source Naturals OptiZinc Zinc Methionine Sulfate Complex, 240 Tablets
$2.87per gram
$20.65 / bottle
Source Naturals OptiZinc Zinc Methionine Sulfate Complex, 240 Tablets
Source NaturalsAmazon3 options
Per Serving$0.09
Servings240
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon240 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 240 Tablets
$20.65Buy
120 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 120 Tablets
$9.98Buy
60 ctSource Naturals OptiZinc Zinc Methionine Sulfate Complex, 60 Tablets
$5.94Buy
Save 99%
#7
Swanson OptiZinc
$2.92per gram
$20.99 / bottle
Swanson OptiZinc
Source NaturalsSwanson Vitamins2 options
Per Serving$0.09
Servings240
Formtablet
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins240 ctSwanson OptiZinc
$20.99Buy
S
240 ctSource Naturals OptiZinc, 120 Tabs
$20.99Buy
Save 99%
#8
Natural Factors Zinc Citrate, 50 mg
$4.13per gram
$5.57 / bottle
Natural Factors Zinc Citrate, 50 mg
Natural FactorsiHerbNew
Per Serving$0.06
Servings90
Formtablet
Updated today
iBuyAffiliate link
Save 99%
#9
Swanson Enhanced Absorption Bio Zinc
$6.79per gram
$10.19 / bottle
Swanson Enhanced Absorption Bio Zinc
SolaraySwanson Vitamins
Per Serving$0.10
Servings100
Formcapsule
Updated today
SBuyAffiliate link
Save 99%
#10
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 99%
#11
Swanson Elderberry Gummies with Zinc & Vitamin C, Lemon Raspberry
$0.06per mg
$13.39 / bottle
Swanson Elderberry Gummies with Zinc & Vitamin C, Lemon Raspberry
SwansonSwanson Vitamins
Per Serving$0.45
Servings30
Formgummy
Updated today
SBuyAffiliate link
Save 99%
#12
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
iHerb76 ctNOW Foods Magnesium Citrate Pure Powder, 8 oz
$12.24Buy
Save 98%
#13
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
30 ctNutricost Magnesium Complex, 500mg, 30 Count
$6.00Buy
Save 98%
#14
NOW Foods Magnesium Citrate Tablets, 220 Count
$0.14per gram
$12.24 / bottle
NOW Foods Magnesium Citrate Tablets, 220 Count
NOW FoodsiHerbNew3 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
$21.14Buy
180 ctNOW Foods Magnesium 400 mg, 180 Veg Capsules
Buy
Save 98%
#15
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 98%
#16
Swanson Triple Magnesium Complex
$0.17per gram
$20.89 / bottle
Swanson Triple Magnesium Complex
SwansonSwanson VitaminsNew4 options · 2 retailers
Per Serving$0.07
Servings300
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins300 ctSwanson Triple Magnesium Complex
$20.89Buy
i
iHerb300 ctSwanson Triple Magnesium Complex, 400 mg, 300 Vegan Capsules
$20.89Buy
i
100 ctSwanson Triple Magnesium Complex, 400 mg, 100 Vegan Capsules
$13.69Buy
+1 more...
Save 98%
#17
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 97%
#18
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
BuyAffiliate link

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 97%
#19
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 97%
#20
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
123
Next

Get Price Alerts

Be the first to know when supplement prices drop.