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
Back to browse
21st Century Zinc Citrate, 50 mg, 360 Tablets

21st Century Zinc Citrate, 50 mg, 360 Tablets

21st Century

iHerbtablet
$0.47per gram
Cost per serving
$0.02
bottle price
$8.49
Price as of Updated today
iBuy on iHerb

FTC Disclosure: PerGram may earn a commission from purchases made through affiliate links at no extra cost to you.

All Options for This Product

2 sizes available across 2 retailers. Sorted by cost per gram. All links are affiliate links.

ProductRetailerServingsPricePer ServingPer Gram
21st Century Healthcare Zinc Citrate Tablets 50mg, 360 Count, WhiteBest value
Amazon360$8.49$0.02$0.47/gBuy
21st Century, Zinc Citrate, 50 mg, 360 TabletsVIEWING
iHerb360$8.49$0.02$0.47/giBuy

Cost Per Ingredient

This product contains 2 active ingredients. Here's the cost breakdown for each.

Zinc (as Zinc Citrate)

PRIMARY
$0.47/g
50 mg per serving· zinc

Calcium (as Dicalcium Phosphate)

$0.51/g
46 mg per serving

Supplement Facts

Supplement Facts

Serving Size: 1 Tablet
Servings Per Container: 360
IngredientAmount Per Serving% Daily Value
Calcium (as Dicalcium Phosphate)
46 mg
4%
Zinc (as Zinc Citrate)
50 mg
455%
† Daily Value not established

Price History

Similar Zinc Products

Bulk Supplements, Zinc Oxide Powder, 1 Kilogram (2.2 lbs)

Bulk Supplements, Zinc Oxide Powder, 1 Kilogram (2.2 lbs)

BulkSupplements

$0.00per serving
Zinc Oxide Powder

Zinc Oxide Powder

BulkSupplements

$0.00per serving
Bulk Supplements, Zinc Citrate Powder, 1 Kilogram (2.2 lbs)

Bulk Supplements, Zinc Citrate Powder, 1 Kilogram (2.2 lbs)

BulkSupplements

$0.00per serving