Magnesium L-Threonate
£41.39 for 30 servings at Healf. That works out at 95p per 100 mg magnesium, which ranks it 9th of the 10 magnesium L-threonate products we price across 1 UK retailer.
At one 100 mg dose a day, this pack lasts 44 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- In the pack: 30 × 145 mg = 4.35 g
- £41.39 ÷ 4.35 g × 100 mg = 95.1p per 100 mg magnesium
- A week 95.1p × 7 = £6.66 · a month × 30 = £28.54 · a year × 365 = £347.30
- 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 L-threonate
All 10, ranked →
Switching to the Healf pack saves £5.76 a month at the same 100 mg dose.
Ranked purely by price per 100 mg magnesium. 5 combination products also contain magnesium.
On the label
- Magnesium · L-threonate
- 145 mg per serving (stated on the label)
- Pack
- 30 servings · 3 capsule(s) a serving
- Cost per serving
- £1.38 (30 servings in the pack)
More label details
- Sold by
- Healf
- What the listing says
- “Servings Per Container: 30” · “Serving Size: 3 Capsules” · “Magnesium L-Threonate) ; 145 mg” · “from 2g Magtein”
Ingredients
Magnesium (from 2g Magtein® Magnesium L-Threonate), Rice Flour, Capsule Shell (Hypromellose), Anti-Caking Agent (Magnesium Stearate), Anti-Caking Agent (Silicon Dioxide)
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: 3 capsules.
What you paid
Optional. At Healf today: £41.39.
“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
- £41.39Healf
- First recorded
- £41.391 Oct
- Checked on
- 20 dayssince 1 Oct
- First checked at Healf: £41.39
Questions about this product
How much does Momentous Magnesium L-Threonate cost per 100 mg magnesium?
95p per 100 mg magnesium, from £41.39 for 30 servings at Healf, checked on 20 October 2026.
Is it the cheapest magnesium L-threonate in the UK?
No, it is 9th of 10. Magnesium at Healf works out at 52p per 100 mg magnesium.
How long does one pack last?
44 days at one 100 mg dose. The pack holds 4.35 g in total.
About Momentous
All 72 Momentous products, priced per dose
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