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
NOW Foods, Magnesium Caps, 400 mg, 180 Veg Capsules

NOW Foods, Magnesium Caps, 400 mg, 180 Veg Capsules

NOW Foods

iHerbcapsule
$0.20per gram
Cost per serving
$0.08
bottle price
$14.69
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

3 sizes available. Sorted by cost per gram. All links are affiliate links.

ProductRetailerServingsPricePer ServingPer Gram
NOW Foods, Magnesium Caps, 400 mg, 180 Veg CapsulesVIEWING
iHerb180$14.69$0.08$0.20/giBuy
NOW Foods, Magnesium Citrate, 240 Veg Capsules (133 mg per Capsule)
iHerb80$23.27$0.29$0.73/giBuy
NOW Foods, Magnesium Citrate, 120 Veg Capsules (133 mg per Capsule)
iHerb40$12.24$0.31$0.77/giBuy

Supplement Facts

Supplement Facts

Serving Size: 1 Veg Capsule
Servings Per Container: 180
IngredientAmount Per Serving% Daily Value
Magnesium (elemental) (from Magnesium Oxide, Magnesium Citrate and Magnesium Aspartate)
400 mg
95%
† Daily Value not established

Price History

Similar Magnesium Products

BulkSupplements com Magnesium Carbonate Powder - Magnesium Supplement, Mag Carbonate Powder - Pure Magnesium, Gluten Free, 875mg (210mg Magnesium) per Serving, 1kg (2.2 lbs)

BulkSupplements com Magnesium Carbonate Powder - Magnesium Supplement, Mag Carbonate Powder - Pure Magnesium, Gluten Free, 875mg (210mg Magnesium) per Serving, 1kg (2.2 lbs)

BulkSupplements

$0.02per serving
Bulk Supplements, Magnesium Carbonate Powder, 1 Kilogram (2.2 lbs)

Bulk Supplements, Magnesium Carbonate Powder, 1 Kilogram (2.2 lbs)

BulkSupplements

$0.02per serving
Bulk Supplements, Magnesium Oxide Powder, 1 kilogram

Bulk Supplements, Magnesium Oxide Powder, 1 kilogram

BulkSupplements

$0.03per serving