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Minerals

Magnesium Glycinate 120 Tablets

£8.99 for 120 tablets at Healthspan. That works out at 7p per 100 mg magnesium, which ranks it 11th of the 66 magnesium bisglycinate products we price across 13 UK retailers.

What it really costs, per 100 mg magnesium7pOne 100 mg dose is our comparison unit for magnesium. It is not a recommendation.

A day7p

A week52p

A month£2.25

A year£27.34

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: 120 ÷ 1 per serving = 120
In the pack: 120 × 100 mg = 12 g
£8.99 ÷ 12 g × 100 mg = 7.49p per 100 mg magnesium
A week 7.49p × 7 = 52p · a month × 30 = £2.25 · a year × 365 = £27.34
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 bisglycinate

All 66, ranked →

VitaBrightMagnesium Glycinate Tablets in Vegan CapsulesVitaBright · 300 mg a serving · £1.67 a month · a pack lasts 3 years6p£59.97View at VitaBright

VitaBrightMagnesium Glycinate Tablets in Vegan CapsulesVitaBright · 300 mg a serving · £1.78 a month · a pack lasts 2.2 years6p£47.99View at VitaBright

VitaBrightMagnesium Glycinate Tablets in Vegan CapsulesVitaBright · 300 mg a serving · £1.89 a month · a pack lasts 1.5 years6p£33.99View at VitaBright

VitaBrightMagnesium Glycinate Capsules x 180VitaBright · 300 mg a serving · £2.22 a month · a pack lasts 9 months7p£19.99View at VitaBright

VitaBrightMagnesium Glycinate Capsules 1500mg High Strength for Tiredness FatigueVitaBright · 300 mg a serving · £2.22 a month · a pack lasts 9 months7p£19.99View at VitaBright

This productHealthspan · 100 mg a serving · £2.25 a month · a pack lasts 4 months7pshown above

Cheapest anywhere: 1p per 100 mg magnesium at Simply Supplements.

Ranked purely by price per 100 mg magnesium. 86 combination products also contain magnesium.

On the label

Magnesium · Bisglycinate (glycinate): 100 mg per serving (stated on the label)
Pack: 120 tablets · 120 servings · 1 tablet(s) a serving
Cost per serving: 7p (120 servings in the pack)

More label details

Sold by: Healthspan
What the listing says: “120 Tablets” · “providing Magnesium ; 100 mg ; 27% NRV” · “Magnesium Glycinate ; 500 mg”

Ingredients

Bulking Agents (Microcrystalline Cellulose, Dicalcium Phosphate), Buffered Magnesium Glycinate Prep. (Magnesium Bisglycinate, Magnesium Oxide), Anti-Caking Agents (Magnesium Salts of Fatty Acids, Silicon Dioxide), Glazing Agents (Polyvinyl Alcohol, Talc, Polyethylene Glycol).

From the Healthspan 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 17 September 2026. Checked on 3 days, most recently 22 October 2026.

Price at every check: £8.99Healthspan
First recorded: £8.9917 Sept
Checked on: 3 dayssince 17 Sept

Pack price at each check.

17 SeptFirst checked at Healthspan: £8.99

Questions about this product

How much does Healthspan Magnesium Glycinate 120 Tablets cost per 100 mg magnesium?

7p per 100 mg magnesium, from £8.99 for 120 tablets at Healthspan, checked on 22 October 2026.

Is it the cheapest magnesium bisglycinate in the UK?

No, it is 11th of 66. Magnesium Bisglycinate 1500mg at Simply Supplements 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 Healthspan

Founded 1996 · St Peter Port, Guernsey · Part of Orkla Health

Healthspan is a vitamins and supplements company founded in 1996 by Derek Coates and based at Healthspan House in St Peter Port, Guernsey. Norway's Orkla Health bought it from his estate in 2022 for an initial £65m. It sells vitamins, minerals, supplements, pet products and, under the Healthspan Elite name, sports nutrition.

All 85 Healthspan products, priced per dose Visit Healthspan (opens in a new tab)

Keep comparing

All magnesiumEvery form, cheapest per 100 mg magnesium first Magnesium Bisglycinate (glycinate)66 products ranked, from 1p Magnesium guideWhat it is, why people take it, how the forms differ HealthspanAll 85 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