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NOW FoodsBotanicals & extracts

Inulin Prebiotic Pure Powder

£9.99 for 57 servings at Healf. That works out at 27p per 5 g, which ranks it 6th of the 10 inulin / FOS products we price across 5 UK retailers.

What it really costs, per 5 g27pOne 5 g dose is our comparison unit for inulin / FOS. It is not a recommendation.
A day27p
A week£1.86
A month£7.97
A year£96.93

At one 5 g dose a day, this pack lasts 38 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • In the pack: 57 × 3.3 g = 188.1 g
  • £9.99 ÷ 188.1 g × 5 g = 26.6p per 5 g
  • A week 26.6p × 7 = £1.86 · a month × 30 = £7.97 · a year × 365 = £96.93
  • 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 inulin / FOS

All 10, ranked →
High Fibre Inulin PowderCheapest per 5 gSimply Supplements · 5 g a serving · £4.65 a month · a pack lasts 3 months15p£15.49View at Simply Supplements (opens in a new tab)
Flourishe Gut SupplementLamberts Healthcare (Nature's Best) · 5 g a serving · £4.95 a month · a pack lasts 3 months17p£16.50View at Lamberts Healthcare (opens in a new tab)
Prebiotic Inulin Fibre PowderMyprotein · 12 g a serving · £5.20 a month · a pack lasts 2 months17p£12.49View at Myprotein (opens in a new tab)
FOS PowderHealf · 10 g a serving · £7.23 a month · a pack lasts 50 days24p£12.05View at Healf (opens in a new tab)
Blue Agave Inulin PowderHealf · 5 g a serving · £7.66 a month · a pack lasts 50 days26p£12.77View at Healf (opens in a new tab)
This productHealf · 3.3 g a serving · £7.97 a month · a pack lasts 38 days27pshown above

Switching to the Simply Supplements pack saves £3.32 a month at the same 5 g dose.

Ranked purely by price per 5 g. 74 combination products also contain inulin / FOS.

On the label

Inulin / FOS · Inulin / FOS
3.3 g per serving (stated on the label)
Pack
57 servings
Cost per serving
18p (57 servings in the pack)
More label details
Sold by
Healf
What the listing says
“Servings Per Container: about 57” · “Organic Inulin (FOS) (from Blue Agave) ; 3.3 g”
Ingredients

Inulin (FOS) (from Blue Agave)

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

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One 5 g dose is our comparison unit, not a recommendation.

Price history

1 price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded
£9.491 Oct
Highest recorded
£9.9920 Oct
First recorded
£9.491 Oct
Checked on
20 dayssince 1 Oct
Pack price at each check.
  1. Up at Healf: £9.49 → £9.99 (+5.3%)
  2. First checked at Healf: £9.49

Questions about this product

How much does NOW Foods Inulin Prebiotic Pure Powder cost per 5 g?

27p per 5 g, from £9.99 for 57 servings at Healf, checked on 20 October 2026.

Is it the cheapest inulin / FOS in the UK?

No, it is 6th of 10. High Fibre Inulin Powder at Simply Supplements works out at 15p per 5 g.

How long does one pack last?

38 days at one 5 g dose. The pack holds 188.1 g in total.

About NOW Foods

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