Magnesium threonate price per 100 mg — cheapest first
45 Magnesium threonate products, ranked by price per 100 mg, cheapest first.
Compare all 3,581 Magnesium products →
The cheapest Magnesium threonate product per 100 mg is KAL, Think, Magnesium L-Threonate, 60 Tablets (72 mg per Tablet) at $0.447 per 100 mg. That's based on prices at our last update, among the products we track.
Lowest price per 100 mgKAL, Think, Magnesium L-Threonate, 60 Tablets (72 mg per Tablet)$0.447View on iHerbOther forms of Magnesium
Price data as of 2026-10-20
How to read this table
How much does Magnesium threonate pricing vary between products?
Price per 100 mg for this form: the cheapest is $0.447, and the median product is $0.926. That's about 361% more than the median for all Magnesium ($0.201).
Most products (the middle 80%) have 72mg to 150mg per serving, with a median of 144mg. The amount is the label-declared Magnesium value, not the raw material weight.
45 of the 3,581 Magnesium products (1%) are labeled as Magnesium threonate. Products that don't name a form aren't assigned to one.
The products of this form come from 34 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.