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Organic Spirulina & Chlorella Capsules

£16.97 for 80 servings at WeightWorld. That works out at 73p per 3 g, which ranks it 4th of the 9 spirulina tablets we price across 5 UK retailers.

What it really costs, per 3 g73pOne 3 g dose is our comparison unit for spirulina. It is not a recommendation.
A day73p
A week£5.12
A month£21.94
A year£266.98

At one 3 g dose a day, this pack lasts 23 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Spirulina

  • In the pack: 80 × 870 mg = 69.6 g
  • £16.97 ÷ 69.6 g × 3 g = 73.1p per 3 g
  • A week 73.1p × 7 = £5.12 · a month × 30 = £21.94 · a year × 365 = £266.98
  • Amount per serving: stated on the label.

Chlorella

  • In the pack: 80 × 870 mg = 69.6 g
  • £16.97 ÷ 69.6 g × 3 g = 73.1p per 3 g
  • A week 73.1p × 7 = £5.12 · a month × 30 = £21.94 · a year × 365 = £266.98
  • 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 spirulina tablets

All 9, ranked →
SpirulinaCheapest per 3 gHealf · 500 mg a serving · £8.18 a month · a pack lasts 33 days27p£9.09View at Healf (opens in a new tab)
Organic SpirulinaMyprotein · 3 g a serving · £13.46 a month · a pack lasts 33 days45p£14.95View at Myprotein (opens in a new tab)
Spirulina Capsules 2000mgSimply Supplements · 2 g a serving · £15.97 a month · a pack lasts 40 days53p£21.29View at Simply Supplements (opens in a new tab)
WeightWorldThis productWeightWorld · 870 mg a serving · £21.94 a month · a pack lasts 23 days73pshown above

Switching to the Healf pack saves £13.76 a month at the same 3 g dose.

Ranked purely by price per 3 g. 10 combination products also contain spirulina.

Cheaper chlorella

All 6, ranked →
ChlorellaCheapest per 3 gHealf · 500 mg a serving · £10.31 a month · a pack lasts 33 days34p£11.45View at Healf (opens in a new tab)
Chlorella Rich in Chlorophyll 3000mg 120 TabletsHolland & Barrett · 3 g a serving · £17.68 a month · a pack lasts 20 days59p£11.79View at Holland & Barrett (opens in a new tab)
WeightWorldThis productWeightWorld · 870 mg a serving · £21.94 a month · a pack lasts 23 days73pshown above

Switching to the Healf pack saves £11.64 a month at the same 3 g dose.

Ranked purely by price per 3 g. 7 combination products also contain chlorella.

On the label

Spirulina · Tablets
870 mg per serving (stated on the label)
Chlorella · Chlorella
870 mg per serving (stated on the label)
Pack
80 servings · 3 capsule(s) a serving
Cost per serving
21p (80 servings in the pack)
More label details
Sold by
WeightWorld
What the listing says
“Servings per Container: 80” · “Serving Size: 3 Capsules” · “Organic Chlorella Powder ; 870 mg”
Ingredients

Vege Capsule Shell: Hypromellose (HPMC) Advice Do not exceed the recommended daily dose. Food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Discontinue use if any adverse reactions occur. Not intended for use by persons under the age of 18.

From the WeightWorld listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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One 3 g dose is our comparison unit, not a recommendation.

Price history

No price change since 9 October 2026. Checked on 1 day, most recently 9 October 2026.

Price at every check
£16.97WeightWorld
First recorded
£16.979 Oct
Checked on
1 daysince 9 Oct

Checked once so far, on 9 October 2026.

  1. First checked at WeightWorld: £16.97

Questions about this product

How much does WeightWorld Organic Spirulina & Chlorella Capsules cost per 3 g?

73p per 3 g, from £16.97 for 80 servings at WeightWorld, checked on 9 October 2026.

Is it the cheapest chlorella in the UK?

No, it is 3rd of 6. Chlorella at Healf works out at 34p per 3 g.

How long does one pack last?

23 days at one 3 g dose. The pack holds 69.6 g in total.

How much does WeightWorld Organic Spirulina & Chlorella Capsules cost per 3 g?

73p per 3 g, from £16.97 for 80 servings at WeightWorld, checked on 9 October 2026.

Is it the cheapest of the spirulina tablets in the UK?

No, it is 4th of 9. Spirulina at Healf works out at 27p per 3 g.

How long does one pack last?

23 days at one 3 g dose. The pack holds 69.6 g in total.

About WeightWorld

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