We earn commission on purchases made through our links. It never affects ranking: tables are ordered purely by price per dose, and no retailer or brand can pay for position.We earn commission when you buy through our links. It never affects the ranking. Full disclosure.

perdose
Updated

Home › Minerals › Magnesium

Double Wood SupplementsMineralsVegan

Magnesium Malate, 420 capsules

£19.50 for 420 capsules at Healf. That works out at 6p per 100 mg magnesium, which ranks it 1st of the 7 magnesium malate products we price across 1 UK retailer.

What it really costs, per 100 mg magnesium6pOne 100 mg dose is our comparison unit for magnesium. It is not a recommendation.
A day6p
A week43p
A month£1.86
A year£22.60

At one 100 mg dose a day, this pack lasts 10 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 420 ÷ 3 per serving = 140
  • In the pack: 140 × 225 mg = 31.5 g
  • £19.50 ÷ 31.5 g × 100 mg = 6.19p per 100 mg magnesium
  • A week 6.19p × 7 = 43p · a month × 30 = £1.86 · a year × 365 = £22.60
  • Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

How it compares: magnesium malate

All 7, ranked →
This productCheapest per 100 mg magnesiumHealf · 225 mg a serving · £1.86 a month · a pack lasts 10 months6pshown above
Magnesium Malate 1,000 mgHealf · 113 mg a serving · £2.36 a month · a pack lasts 7 months8p£15.99View at Healf (opens in a new tab)

Ranked purely by price per 100 mg magnesium. 84 combination products also contain magnesium.

On the label

Magnesium · Malate
225 mg per serving (stated on the label)
Pack
420 capsules · 140 servings · 3 capsule(s) a serving
Cost per serving
14p (140 servings in the pack)
More label details
Claimed on the listing
vegan, gluten-free
Sold by
Healf
What the listing says
“420 caps” · “Servings Per Container: 140” · “Serving Size: 3 Capsules” · “Providing 225mg Elemental Magnesium” · “Elemental Magnesium ; 1500 mg”
Ingredients

Magnesium Malate Providing 225mg Elemental Magnesium, Capsule Shell (Hypromellose), Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agent (Vegetable Stearate)

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

Is something wrong? Tell us

Add to your basket

View basket

Your basket prices everything you take together: whole packs, delivery included, from as few websites as you like.

One 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check
£19.50Healf
First recorded
£19.501 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £19.50

Questions about this product

How much does Double Wood Supplements Magnesium Malate cost per 100 mg magnesium?

6p per 100 mg magnesium, from £19.50 for 420 capsules at Healf, checked on 20 October 2026.

Is it the cheapest magnesium malate in the UK?

Yes. Of the 7 we price across 1 UK retailer, this is the cheapest per 100 mg magnesium.

How long does one pack last?

10 months at one 100 mg dose. The pack holds 31.5 g in total.

About Double Wood Supplements

All 22 Double Wood Supplements products, priced per dose

More from Double Wood Supplements

Keep comparing

All magnesiumEvery form, cheapest per 100 mg magnesium firstMagnesium Malate7 products rankedMagnesium guideWhat it is, why people take it, how the forms differDouble Wood SupplementsAll 22 products from this brand, per doseMineralsEverything else we price in this categoryMagnesium price historyEvery magnesium product's price per dose and price historyBuild a basketThe cheapest way to buy several at onceHow we compareWhere every number on this page comes from