High Fibre Inulin Powder, 500 g
£15.49 for 500 g at Simply Supplements. That works out at 15p per 5 g, which ranks it 1st of the 10 inulin / FOS products we price across 5 UK retailers.
At one 5 g dose a day, this pack lasts 3 months. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 500 ÷ 5 per serving = 100
- In the pack: 100 × 5 g = 500 g
- £15.49 ÷ 500 g × 5 g = 15.5p per 5 g
- A week 15.5p × 7 = £1.08 · a month × 30 = £4.65 · a year × 365 = £56.54
- 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.
How it compares: inulin / FOS
All 10, ranked →
Ranked purely by price per 5 g. 74 combination products also contain inulin / FOS.
On the label
- Inulin / FOS · Inulin / FOS
- 5 g per serving (stated on the label)
- Pack
- 500 g · 100 servings · 5 g a serving
- Cost per serving
- 15p (100 servings in the pack)
More label details
- Claimed on the listing
- vegan
- Barcode
- 5056049512573
- Sold by
- Simply Supplements
- What the listing says
- “confirmed from the retailer's own product page, not this listing's text: amount per serving 5.0; amount unit g; amount refers to compound; units per serving 5.0; pack units 500; pack unit type gram; form id inulin”
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One 5 g dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 5 g.
What you paid
Optional. At Simply Supplements today: £15.49.
“Order by” allows 3 working days’ delivery from Simply Supplements and your spare days.
Price history
No price change since 21 September 2026. Checked on 29 days, most recently 20 October 2026.
- Price at every check
- £15.49Simply Supplements
- First recorded
- £15.4921 Sept
- Checked on
- 29 dayssince 21 Sept
- First checked at Simply Supplements: £15.49
Questions about this product
How much does Simply Supplements High Fibre Inulin Powder cost per 5 g?
15p per 5 g, from £15.49 for 500 g at Simply Supplements, checked on 20 October 2026.
Is it the cheapest inulin / FOS in the UK?
Yes. Of the 10 we price across 5 UK retailers, this is the cheapest per 5 g.
How long does one pack last?
3 months at one 5 g dose. The pack holds 500 g in total.
About Simply Supplements
Founded 2004 · Yaxley, Peterborough, England
Simply Supplements is an online vitamins and supplements retailer that started in Guernsey in 2004 and is now based in Yaxley, near Peterborough. It is the trading name of Pinnacle Health Nutrition Ltd, a privately owned UK company.
All 134 Simply Supplements products, priced per doseVisit Simply Supplements (opens in a new tab)
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