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Minerals

Magnesium Powder, 90 g

£17.95 for 90 g at Healf. That works out at 15p per 100 mg magnesium, which ranks it 41st of the 79 magnesium blends and other forms we price across 15 UK retailers.

What it really costs, per 100 mg magnesium15pOne 100 mg dose is our comparison unit for magnesium. It is not a recommendation.

A day15p

A week£1.05

A month£4.49

A year£54.60

At one 100 mg dose a day, this pack lasts 4 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 90 ÷ 1.5 per serving = 60
In the pack: 60 × 200 mg = 12 g
£17.95 ÷ 12 g × 100 mg = 15p per 100 mg magnesium
A week 15p × 7 = £1.05 · a month × 30 = £4.49 · a year × 365 = £54.60
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.

Cheaper magnesium blends and other forms

All 79, ranked →

Optimal MagnesiumHealf · 150 mg a serving · £3.44 a month · a pack lasts 4 months11p£15.49View at Healf

MagnesiumTogether Health · 198 mg a serving · £3.53 a month · a pack lasts 59 days12p£6.99View at Together Health

Magnesium (citrate/malate)Healf · 120 mg a serving · £3.68 a month · a pack lasts 7 months12p£26.49View at Healf

Magnesium (citrate/malate)Healf · 120 mg a serving · £4.03 a month · a pack lasts 4 months13p£14.49View at Healf

Magnesium CitraMateHealf · 135 mg a serving · £4.23 a month · a pack lasts 4 months14p£17.14View at Healf

This productHealf · 200 mg a serving · £4.49 a month · a pack lasts 4 months15pshown above

Switching to the Healf pack saves £1.05 a month at the same 100 mg dose.

Ranked purely by price per 100 mg magnesium. 236 combination products also contain magnesium.

On the label

Magnesium · Blends and other forms: 200 mg per serving (stated on the label)
Pack: 90 g · 60 servings · 1.5 g a serving
Cost per serving: 30p (60 servings in the pack)

More label details

Sold by: Healf
What the listing says: “90g” · “per daily intake: 1.5 grams” · “Magnesium ; 200mg ; 53.3”

Ingredients

Magnesium Citrate, Magnesium Malate.

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

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Daily dosemgFordays

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: £17.95Healf
First recorded: £17.951 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £17.95

Questions about this product

How much does BioCare Magnesium Powder cost per 100 mg magnesium?

15p per 100 mg magnesium, from £17.95 for 90 g at Healf, checked on 20 October 2026.

Is it the cheapest of the magnesium blends and other forms in the UK?

No, it is 41st of 79. Magnesium 500mg at ZipVit works out at 1p per 100 mg magnesium.

How long does one pack last?

4 months at one 100 mg dose. The pack holds 12 g in total.

About BioCare

All 96 BioCare products, priced per dose

Keep comparing

All magnesiumEvery form, cheapest per 100 mg magnesium first Magnesium blends and other forms79 products ranked, from 1p Magnesium guideWhat it is, why people take it, how the forms differ BioCareAll 96 products from this brand, per dose MineralsEverything else we price in this category Magnesium price historyEvery magnesium product's price per dose and price history Build a basketThe cheapest way to buy several at once How we compareWhere every number on this page comes from