Cheapest magnesium
Standalone magnesium in capsules, tablets or powder.
Best price right now£1.80per 100 mlat Predator Nutrition3,243 prices scanned15 storesupdated 3 minutes ago
Predator NutritionSome links on this page are affiliate links: if you buy through one, we earn a commission. This does not affect our price comparison. We always show the lowest price per unit.
Prices include VAT and exclude shipping. Price per 100 ml makes products of different sizes truly comparable.
Frequently asked questions
What is the cheapest magnesium right now?
The lowest price is now £1.85 per 100 capsules, for Calcium & Magnesium Tablets at Myprotein. Our scanner checks prices daily, so the ranking on this page is up to date.
Why do we compare magnesium per capsule?
Bottles differ in capsule count and dosage, so only the price per capsule shows what you really pay. We convert every price to the same unit, so you're comparing like with like.
How many stores are scanned for magnesium?
This comparison currently includes 229 products from 15 stores. Our scanner keeps re-reading the whole market, so new products and price changes appear automatically.