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 › Potassium

Pure EncapsulationsMinerals

Potassium Magnesium (citrate), 180 capsules

£30.42 for 180 capsules at Healf. That works out at 24p per 200 mg potassium, which ranks it 5th of the 6 potassium citrate products we price across 3 UK retailers.

What it really costs, per 200 mg potassium24pOne 200 mg dose is our comparison unit for potassium. It is not a recommendation.
A day24p
A week£1.69
A month£7.24
A year£88.12

At one 200 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

Potassium

  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 140 mg = 25.2 g
  • £30.42 ÷ 25.2 g × 200 mg = 24.1p per 200 mg potassium
  • A week 24.1p × 7 = £1.69 · a month × 30 = £7.24 · a year × 365 = £88.12
  • Amount per serving: stated on the label.

Magnesium

  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 70 mg = 12.6 g
  • £30.42 ÷ 12.6 g × 100 mg = 24.1p per 100 mg magnesium
  • A week 24.1p × 7 = £1.69 · a month × 30 = £7.24 · a year × 365 = £88.12
  • 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 potassium citrate

All 6, ranked →
Potassium Citrate 1300mg with Vitamin CCheapest per 200 mg potassiumSimply Supplements · 1.3 g a serving · 27p a month · a pack lasts 3.2 years1p£10.69View at Simply Supplements (opens in a new tab)
WeightWorldPotassium Citrate With Vitamin C TabletsWeightWorld · 801 mg a serving · £1.46 a month · a pack lasts 12 months5p£17.49View at WeightWorld (opens in a new tab)
Potassium CitrateHealf · 99 mg a serving · £2.86 a month · a pack lasts 3 months10p£8.49View at Healf (opens in a new tab)
Potassium (citrate)Healf · 200 mg a serving · £5.29 a month · a pack lasts 3 months18p£15.86View at Healf (opens in a new tab)
This productHealf · 140 mg a serving · £7.24 a month · a pack lasts 4 months24pshown above

Ranked purely by price per 200 mg potassium. Labels here do not all state the same thing: this one gives stated on the label, the cheapest gives estimated from the compound weight using our conversion factor. Check both before choosing. 104 combination products also contain potassium.

Cheaper magnesium citrate

All 38, ranked →
Magnesium CitrateHealf · 300 mg a serving · £6.96 a month · a pack lasts 3 months23p£20.89View at Healf (opens in a new tab)
Animal Parade® MagKidz™ Children's ChewablesHealf · 100 mg a serving · £6.99 a month · a pack lasts 45 days23p£10.49View at Healf (opens in a new tab)
Calcium Magnesium (citrate)Healf · 240 mg a serving · £7.02 a month · a pack lasts 2 months23p£16.86View at Healf (opens in a new tab)
WeightWorldMagnesium Citrate GummiesWeightWorld · 160 mg a serving · £7.08 a month · a pack lasts 2 months24p£16.98View at WeightWorld (opens in a new tab)
WeightWorldMagnesium Gummies for KidsWeightWorld · 80 mg a serving · £7.08 a month · a pack lasts 2 months24p£16.99View at WeightWorld (opens in a new tab)
This productHealf · 70 mg a serving · £7.24 a month · a pack lasts 4 months24pshown above

Switching to the Healf pack saves 28p a month at the same 100 mg dose.

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

On the label

Potassium · Citrate
140 mg per serving (stated on the label)
Magnesium · Citrate
70 mg per serving (stated on the label)
Pack
180 capsules · 180 servings · 1 capsule(s) a serving
Cost per serving
17p (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) ; 70 mg”
Ingredients

Potassium (as Potassium Citrate), 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 200 mg dose is our comparison unit, not a recommendation.

Price history

1 price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded
£30.4212 Oct
Highest recorded
£33.491 Oct
First recorded
£33.491 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. Down at Healf: £33.49 → £30.42 (−9.2%)
  2. First checked at Healf: £33.49

Questions about this product

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

24p per 100 mg magnesium, from £30.42 for 180 capsules at Healf, checked on 20 October 2026.

Is it the cheapest magnesium citrate in the UK?

No, it is 28th 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 12.6 g in total.

How much does Pure Encapsulations Potassium Magnesium (citrate) cost per 200 mg potassium?

24p per 200 mg potassium, from £30.42 for 180 capsules at Healf, checked on 20 October 2026.

Is it the cheapest potassium citrate in the UK?

No, it is 5th of 6. Potassium Citrate 1300mg with Vitamin C at Simply Supplements works out at 1p per 200 mg potassium.

How long does one pack last?

4 months at one 200 mg dose. The pack holds 25.2 g in total.

About Pure Encapsulations

All 135 Pure Encapsulations products, priced per dose

More from Pure Encapsulations

Keep comparing

All potassiumEvery form, cheapest per 200 mg potassium firstPotassium Citrate6 products ranked, from 1pPotassium guideWhat it is, why people take it, how the forms differPure EncapsulationsAll 135 products from this brand, per doseMineralsEverything else we price in this categoryPotassium price historyEvery potassium 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