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MineralsVegan

Potassium Tablets, 90 tablets

£4.99 for 90 tablets at Myprotein. That works out at 11p per 200 mg potassium, which ranks it 2nd of the 3 potassium gluconate products we price across 2 UK retailers.

What it really costs, per 200 mg potassium11pOne 200 mg dose is our comparison unit for potassium. It is not a recommendation.

A day11p

A week78p

A month£3.36

A year£40.88

At one 200 mg dose a day, this pack lasts 45 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 90 ÷ 3 per serving = 30
In the pack: 30 × 297 mg = 8.91 g
£4.99 ÷ 8.91 g × 200 mg = 11.2p per 200 mg potassium
A week 11.2p × 7 = 78p · a month × 30 = £3.36 · a year × 365 = £40.88
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 gluconate

All 3, ranked →

Potassium TabletsCheapest per 200 mg potassiumMyprotein · 297 mg a serving · £2.13 a month · a pack lasts 4 months7p£9.49View at Myprotein

This productMyprotein · 297 mg a serving · £3.36 a month · a pack lasts 45 days11pshown above

Switching to the Myprotein pack saves £1.23 a month at the same 200 mg dose.

Ranked purely by price per 200 mg potassium. 3 combination products also contain potassium.

Pack sizes

Pack	Price	Per dose	A year
270 tablets	£9.49	7p	£25.92
90 tabletsthis pack	£4.99	11p	£40.88

At one 200 mg dose a day, the 270 tablets pack costs £14.97 less a year than this one.

On the label

Potassium · Gluconate: 297 mg per serving (stated on the label)
Pack: 90 tablets · 30 servings · 3 tablet(s) a serving
Cost per serving: 17p (30 servings in the pack)

More label details

Claimed on the listing: vegan, vegetarian
Barcode: 5055936826960
Sold by: Myprotein
What the listing says: “90Tablets” · “Consume 1 tablet, 3 times a day” · “Potassium ; 297.0mg ; -”

Ingredients

Potassium Gluconate, Bulking Agent (Microcrystalline Cellulose), Anti-Caking Agents (Magnesium Stearate, Silicon Dioxide).

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

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Daily dosemgFordays

One 200 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 3 October 2026. Checked on 18 days, most recently 20 October 2026.

Price at every check: £4.99Myprotein
First recorded: £4.993 Oct
Checked on: 18 dayssince 3 Oct

Pack price at each check.

3 OctFirst checked at Myprotein: £4.99

Questions about this product

How much does Myvitamins Potassium Tablets cost per 200 mg potassium?

11p per 200 mg potassium, from £4.99 for 90 tablets at Myprotein, checked on 20 October 2026.

Is it the cheapest potassium gluconate in the UK?

No, it is 2nd of 3. Potassium Tablets at Myprotein works out at 7p per 200 mg potassium.

How long does one pack last?

45 days at one 200 mg dose. The pack holds 8.91 g in total.

About Myvitamins

Founded 2012 · Manchester, England · Part of THG plc

Myvitamins is a vitamins and supplements brand launched in August 2012 by The Hut Group, now THG plc, as a sister brand to Myprotein. It is run by THG Nutrition, part of Manchester-based THG.

All 118 Myvitamins products, priced per dose Visit Myvitamins (opens in a new tab)