Magnesium Citrate, 120 tablets
£13.89 for 120 tablets at Healf. That works out at 6p per 100 mg magnesium, which ranks it 4th of the 38 magnesium citrate products we price across 12 UK retailers.
At one 100 mg dose a day, this pack lasts 8 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 120 ÷ 2 per serving = 60
- In the pack: 60 × 400 mg = 24 g
- £13.89 ÷ 24 g × 100 mg = 5.79p per 100 mg magnesium
- A week 5.79p × 7 = 41p · a month × 30 = £1.74 · a year × 365 = £21.12
- 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 magnesium citrate
All 38, ranked →
Ranked purely by price per 100 mg magnesium. 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. 187 combination products also contain magnesium.
Pack sizes
| Pack | Price | Per dose | A year |
|---|---|---|---|
| 120 tabletsthis pack | £13.89 | 6p | £21.12 |
| 60 tablets | £8.49 | 7p | £25.82 |
This pack is the cheapest of the 2 sizes per dose.
On the label
- Magnesium · Citrate
- 400 mg per serving (stated on the label)
- Pack
- 120 tablets · 60 servings · 2 tablet(s) a serving
- Cost per serving
- 23p (60 servings in the pack)
More label details
- Claimed on the listing
- vegan, vegetarian
- Sold by
- Healf
- What the listing says
- “120 tablets” · “Two (2) tablets provide” · “Magnesium ; 400 mg”
Ingredients
Magnesium (as citrate), sodium. Other Ingredients: Vegetable Cellulose, Vegetable Stearic Acid, Silica, Vegetable Glycerin.
From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
Add to your basket
View basketYour 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.
Add to my stack
My stackSee when it runs out, the day to reorder by and what it costs you a day. Free, kept on this device.
Filled in from the label’s serving: 2 tablets.
What you paid
Optional. At Healf today: £13.89.
“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
- £13.89Healf
- First recorded
- £13.891 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £13.89
Questions about this product
How much does Solgar Magnesium Citrate cost per 100 mg magnesium?
6p per 100 mg magnesium, from £13.89 for 120 tablets at Healf, checked on 20 October 2026.
Is it the cheapest magnesium citrate in the UK?
No, it is 4th of 38. Magnesium Citrate Tablets 700mg at Simply Supplements works out at 2p per 100 mg magnesium.
How long does one pack last?
8 months at one 100 mg dose. The pack holds 24 g in total.
About Solgar
All 84 Solgar products, priced per dose
More from Solgar
- Magnesium Citratemagnesium citrate · 60 tablets7p per 100 mg magnesiumDetails and price history
- Chelated Magnesiummagnesium bisglycinate · 100 tablets9p per 100 mg magnesiumDetails and price history
- Calcium Citrate With Vitamin Dcalcium citrate · 240 tablets17p per 500 mg calciumCheapest per dose in its tableDetails and price history
- Chelated Coppercopper · 100 tablets3p per 1 mg copperCheapest per dose in its tableDetails and price history
