Spirulina 500mg, 100 capsules
£17.33 for 100 capsules at Vitamin Planet. That works out at £1.04 per 3 g, which ranks it 5th of the 9 spirulina tablets we price across 5 UK retailers.
At one 3 g dose a day, this pack lasts 17 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 100 ÷ 1 per serving = 100
- In the pack: 100 × 500 mg = 50 g
- £17.33 ÷ 50 g × 3 g = £1.04 per 3 g
- A week £1.04 × 7 = £7.28 · a month × 30 = £31.19 · a year × 365 = £379.53
- 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 →
Switching to the Healf pack saves £23.01 a month at the same 3 g dose.
Ranked purely by price per 3 g. 10 combination products also contain spirulina.
On the label
- Spirulina · Tablets
- 500 mg per serving (stated on the label)
- Pack
- 100 capsules · 100 servings · 1 capsule(s) a serving
- Cost per serving
- 17p (100 servings in the pack)
More label details
- Claimed on the listing
- vegan, vegetarian
- Sold by
- Vitamin Planet
- What the listing says
- “100 Veg Caps” · “Spirulina 500mg”
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One 3 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 Vitamin Planet today: £17.33.
“Order by” allows 3 working days’ delivery from Vitamin Planet and your spare days.
Price history
No price change since 7 October 2026. Checked on 1 day, most recently 7 October 2026.
- Price at every check
- £17.33Vitamin Planet
- First recorded
- £17.337 Oct
- Checked on
- 1 daysince 7 Oct
Checked once so far, on 7 October 2026.
- First checked at Vitamin Planet: £17.33
Questions about this product
How much does One Nutrition Spirulina 500mg cost per 3 g?
£1.04 per 3 g, from £17.33 for 100 capsules at Vitamin Planet, checked on 7 October 2026.
Is it the cheapest of the spirulina tablets in the UK?
No, it is 5th of 9. Spirulina at Healf works out at 27p per 3 g.
How long does one pack last?
17 days at one 3 g dose. The pack holds 50 g in total.
