Magnesium (Citrate), 180 capsules
£27.49 for 180 capsules at Healf. That works out at 10p per 100 mg magnesium, which ranks it 12th of the 38 magnesium citrate products we price across 12 UK retailers.
At one 100 mg dose a day, this pack lasts 9 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 180 ÷ 1 per serving = 180
- In the pack: 180 × 150 mg = 27 g
- £27.49 ÷ 27 g × 100 mg = 10.2p per 100 mg magnesium
- A week 10.2p × 7 = 71p · a month × 30 = £3.05 · a year × 365 = £37.16
- 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 →
Switching to the Healf pack saves 93p a month at the same 100 mg dose.
Ranked purely by price per 100 mg magnesium. 187 combination products also contain magnesium.
Pack sizes
| Pack | Price | Per dose | A year |
|---|---|---|---|
| 180 capsulesthis pack | £27.49 | 10p | £37.16 |
| 90 capsules | £14.49 | 11p | £39.18 |
This pack is the cheapest of the 2 sizes per dose.
On the label
- Magnesium · Citrate
- 150 mg per serving (stated on the label)
- Pack
- 180 capsules · 180 servings · 1 capsule(s) a serving
- Cost per serving
- 15p (180 servings in the pack)
More label details
- Claimed on the listing
- vegetarian
- Sold by
- Healf
- What the listing says
- “180 caps” · “Servings Per Container: 180” · “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.
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One 100 mg dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 1 capsule.
What you paid
Optional. At Healf today: £27.49.
“Order by” allows 3 working days’ delivery from Healf and your spare days.
Price history
No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.
- Price at every check
- £27.49Healf
- First recorded
- £27.491 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £27.49
Questions about this product
How much does Pure Encapsulations Magnesium (Citrate) cost per 100 mg magnesium?
10p per 100 mg magnesium, from £27.49 for 180 capsules at Healf, checked on 20 October 2026.
Is it the cheapest magnesium citrate in the UK?
No, it is 12th of 38. Magnesium Citrate Tablets 700mg at Simply Supplements works out at 2p per 100 mg magnesium.
How long does one pack last?
9 months at one 100 mg dose. The pack holds 27 g in total.
About Pure Encapsulations
All 135 Pure Encapsulations products, priced per dose
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