Sea Moss 30 Capsules
£16.49 for 30 capsules at Holland & Barrett. That works out at £1.37 per 1 g, which ranks it 7th of the 8 sea moss products we price across 5 UK retailers.
At one 1 g dose a day, this pack lasts 12 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 30 ÷ 1 per serving = 30
- In the pack: 30 × 400 mg = 12 g
- £16.49 ÷ 12 g × 1 g = £1.37 per 1 g
- A week £1.37 × 7 = £9.62 · a month × 30 = £41.22 · a year × 365 = £501.57
- 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 sea moss
All 8, ranked →
Switching to the Healf pack saves £30.92 a month at the same 1 g dose.
Ranked purely by price per 1 g. 6 combination products also contain sea moss.
On the label
- Sea moss · Sea moss
- 400 mg per serving (stated on the label)
- Pack
- 30 capsules · 30 servings · 1 capsule(s) a serving
- Cost per serving
- 55p (30 servings in the pack)
More label details
- Sold by
- Holland & Barrett
- What the listing says
- “30 Capsules” · “Take 1 capsule per day” · “[Sea Moss Extract (Chondrus Crispus) 20:1 extract, equivalent to 8,000mg Sea Moss ; 400mg]”
Ingredients
Irish / Sea Moss Extract (Chondrus crispus), Capsule Shell (Hydroxypropyl Methyl Cellulose), Anti-Caking Agents (Magnesium Salts of Fatty Acids, Silicon Dioxide).
From the Holland & Barrett listing. Check the pack itself if you have an allergy: labels mark allergens in bold.
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One 1 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 1 capsule.
What you paid
Optional. At Holland & Barrett today: £16.49.
“Order by” allows 3 working days’ delivery from Holland & Barrett and your spare days.
Price history
No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.
- Price at every check
- £16.49Holland & Barrett
- First recorded
- £16.499 Oct
- Checked on
- 1 daysince 9 Oct
Checked once so far, on 9 October 2026.
- First checked at Holland & Barrett: £16.49
Questions about this product
How much does Holland & Barrett Sea Moss 30 Capsules cost per 1 g?
£1.37 per 1 g, from £16.49 for 30 capsules at Holland & Barrett, checked on 9 October 2026.
Is it the cheapest sea moss in the UK?
No, it is 7th of 8. High Strength Sea Moss 5000mg at Nutravita works out at 30p per 1 g.
How long does one pack last?
12 days at one 1 g dose. The pack holds 12 g in total.
About Holland & Barrett
Founded 1870 · Nuneaton, England · Part of L1 Retail (LetterOne)
Holland & Barrett is a health and wellness retailer founded in 1870, when Alfred Slapps Barrett and Major William Holland opened a grocery shop in Bishop's Stortford. It is based in Nuneaton, Warwickshire, and has been owned by LetterOne's L1 Retail since 2017.
All 32 Holland & Barrett products, priced per doseVisit Holland & Barrett (opens in a new tab)
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