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.

Pure EncapsulationsMinerals

Magnesium (citrate), 90 capsules

£14.49 for 90 capsules at Healf. That works out at 11p per 100 mg magnesium, which ranks it 14th of the 38 magnesium citrate products we price across 12 UK retailers.

What it really costs, per 100 mg magnesium11pOne 100 mg dose is our comparison unit for magnesium. It is not a recommendation.
A day11p
A week75p
A month£3.22
A year£39.18

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 per serving = 90
  • In the pack: 90 × 150 mg = 13.5 g
  • £14.49 ÷ 13.5 g × 100 mg = 10.7p per 100 mg magnesium
  • A week 10.7p × 7 = 75p · a month × 30 = £3.22 · a year × 365 = £39.18
  • 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 citrate

All 38, ranked →
Magnesium CitrateHealf · 400 mg a serving · £2.25 a month · a pack lasts 5 months7p£11.98View at Healf (opens in a new tab)
Dr.veganMagnesium CitrateW-Wellness · 200 mg a serving · £2.25 a month · a pack lasts 4 months7p£8.99View at W-Wellness (opens in a new tab)
Zinc & Magnesium CapsulesBulk · 300 mg a serving · £2.66 a month · a pack lasts 3 months9p£7.99View at Bulk (opens in a new tab)
Magnesium (Citrate)Healf · 150 mg a serving · £3.05 a month · a pack lasts 9 months10p£27.49View at Healf (opens in a new tab)
Magnesium Citrate 90 TabletsHolland & Barrett · 300 mg a serving · £3.06 a month · a pack lasts 3 months10p£9.19View at Holland & Barrett (opens in a new tab)
This productHealf · 150 mg a serving · £3.22 a month · a pack lasts 4 months11pshown above

Switching to the Healf pack saves 97p a month at the same 100 mg dose.

Ranked purely by price per 100 mg magnesium. 187 combination products also contain magnesium.

Pack sizes

PackPricePer doseA year
180 capsules£27.4910p£37.16
90 capsulesthis pack£14.4911p£39.18

At one 100 mg dose a day, the 180 capsules pack costs £2.01 less a year than this one.

On the label

Magnesium · Citrate
150 mg per serving (stated on the label)
Pack
90 capsules · 90 servings · 1 capsule(s) a serving
Cost per serving
16p (90 servings in the pack)
More label details
Claimed on the listing
vegetarian
Sold by
Healf
What the listing says
“90 capsules” · “Servings Per Container: 90” · “Serving Size: 1 capsule” · “Magnesium (as Magnesium Citrate) ; 150 mg”
Ingredients

Magnesium (as Magnesium Citrate), Vegetarian Capsule (Cellulose, Water), Antioxidant (Ascorbyl Palmitate)

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
£14.49Healf
First recorded
£14.491 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. First checked at Healf: £14.49

Questions about this product

How much does Pure Encapsulations Magnesium (citrate) cost per 100 mg magnesium?

11p per 100 mg magnesium, from £14.49 for 90 capsules at Healf, checked on 20 October 2026.

Is it the cheapest magnesium citrate in the UK?

No, it is 14th of 38. Magnesium Citrate Tablets 700mg at Simply Supplements works out at 2p per 100 mg magnesium.

How long does one pack last?

4 months at one 100 mg dose. The pack holds 13.5 g in total.

About Pure Encapsulations

More from Pure Encapsulations

Keep comparing