Ferrous sulfate price per 1 mg — cheapest first
33 Ferrous sulfate products, ranked by price per 1 mg, cheapest first.
Compare all 2,695 Iron products →
The cheapest Ferrous sulfate product per 1 mg is Nature's Truth, Iron, 65 mg, 240 Coated Tablets at $0.00076 per 1 mg. That's based on prices at our last update, among the products we track.
Lowest price per 1 mgNature's Truth, Iron, 65 mg, 240 Coated Tablets$0.00076View on iHerbOther forms of Iron
Price data as of 2026-10-20
How to read this table
How much does Ferrous sulfate pricing vary between products?
Price per 1 mg for this form: the cheapest is $0.00076, and the median product is $0.016. That's about 51% less than the median for all Iron ($0.032).
Most products (the middle 80%) have 5mg to 65mg per serving, with a median of 22mg. The amount is the label-declared Iron value, not the raw material weight.
33 of the 2,695 Iron products (1%) are labeled as Ferrous sulfate. Products that don't name a form aren't assigned to one.
The products of this form come from 19 brands.
Amounts are as listed on product labels and are not medical advice. This page does not judge whether any form or product is better than another; ranking uses only price and label amount. For the full method and its limits, see How prices are calculated.