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.

Nature's BestMineralsVegan

MagAsorb Magnesium Complex 375mg, 180 tablets

£15.95 for 180 tablets at Lamberts Healthcare (Nature's Best). That works out at 2p per 100 mg magnesium, which ranks it 6th of the 79 magnesium blends and other forms we price across 15 UK retailers.

What it really costs, per 100 mg magnesium2pOne 100 mg dose is our comparison unit for magnesium. It is not a recommendation.
A day2p
A week17p
A month71p
A year£8.62

At one 100 mg dose a day, this pack lasts 1.8 years. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 180 ÷ 1 per serving = 180
  • In the pack: 180 × 375 mg = 67.5 g
  • £15.95 ÷ 67.5 g × 100 mg = 2.36p per 100 mg magnesium
  • A week 2.36p × 7 = 17p · a month × 30 = 71p · a year × 365 = £8.62
  • 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 blends and other forms

All 79, ranked →
ZipVitMagnesium 500mgCheapest per 100 mg magnesiumZipVit · 500 mg a serving · 33p a month · a pack lasts 4.9 years1p£19.99View at ZipVit (opens in a new tab)
Magnesium Glycinate X3Protein Works · 1.81 g a serving · 40p a month · a pack lasts 2.2 years1p£10.99View at Protein Works (opens in a new tab)
Magnesium CapsHealf · 500 mg a serving · 41p a month · a pack lasts 1.4 years1p£6.75View at Healf (opens in a new tab)
ZipVitMagnesium 500mgZipVit · 500 mg a serving · 42p a month · a pack lasts 2.5 years1p£12.49View at ZipVit (opens in a new tab)
ZipVitMagnesium 500mgZipVit · 500 mg a serving · 47p a month · a pack lasts 1.2 years2p£6.99View at ZipVit (opens in a new tab)
This productLamberts Healthcare (Nature's Best) · 375 mg a serving · 71p a month · a pack lasts 1.8 years2pshown above

Switching to the ZipVit pack saves 38p a month at the same 100 mg dose.

Ranked purely by price per 100 mg magnesium. 236 combination products also contain magnesium.

On the label

Magnesium · Blends and other forms
375 mg per serving (stated on the label)
Pack
180 tablets · 180 servings · 1 tablet(s) a serving
Cost per serving
9p (180 servings in the pack)
More label details
Testing
Claimed on the label (not verified by us)
Claimed on the listing
vegan, vegetarian
Barcode
5055148408268
Sold by
Lamberts Healthcare (Nature's Best)
What the listing says
“180 Tablets” · “one-a-day, high-strength magnesium supplement” · “MagAsorb® Complex 375mg is a one-a-day, high-strength magnesium supplement that provides 100% of your daily intake”
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 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 21 September 2026. Checked on 27 days, most recently 20 October 2026.

Price at every check
£15.95Lamberts Healthcare (Nature's Best)
First recorded
£15.9521 Sept
Checked on
27 dayssince 21 Sept
Pack price at each check.
  1. First checked at Lamberts Healthcare (Nature's Best): £15.95

Questions about this product

How much does Nature's Best MagAsorb Magnesium Complex 375mg cost per 100 mg magnesium?

2p per 100 mg magnesium, from £15.95 for 180 tablets at Lamberts Healthcare (Nature's Best), checked on 20 October 2026.

Is it the cheapest of the magnesium blends and other forms in the UK?

No, it is 6th of 79. Magnesium 500mg at ZipVit works out at 1p per 100 mg magnesium.

How long does one pack last?

1.8 years at one 100 mg dose. The pack holds 67.5 g in total.

About Nature's Best

Founded 1981 · Tunbridge Wells, England · Part of Procter & Gamble

Nature's Best is a vitamins and supplements brand based in Tunbridge Wells, Kent, that has sold direct to the public since 1981. It is a trading name of Lamberts Healthcare Ltd, which also supplies practitioners and pharmacists under the Lamberts name.

More from Nature's Best

Keep comparing