Flourishe Gut Supplement, 500 g
£16.50 for 500 g at Lamberts Healthcare (Nature's Best). That works out at 17p per 5 g, which ranks it 2nd 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
- £16.50 ÷ 500 g × 5 g = 16.5p per 5 g
- A week 16.5p × 7 = £1.16 · a month × 30 = £4.95 · a year × 365 = £60.23
- 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 →
Switching to the Simply Supplements pack saves 30p 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
- 5 g per serving (stated on the label)
- Pack
- 500 g · 100 servings · 5 g a serving
- Cost per serving
- 17p (100 servings in the pack)
More label details
- Barcode
- 5055148407520
- Sold by
- Lamberts Healthcare (Nature's Best)
- What the listing says
- “Specifications: 500g” · “Just one heaped teaspoon typically provides 5 grams of FOS” · “Just one heaped teaspoon typically provides 5 grams of FOS”
Add to your basket
View basketYour basket prices everything you take together: whole packs, delivery included, from as few websites as you like.
One 5 g dose is our comparison unit, not a recommendation.
Add to my stack
My stackSee when it runs out, the day to reorder by and what it costs you a day. Free, kept on this device.
Filled in from the label’s serving: 5 g.
What you paid
Optional. At Lamberts Healthcare today: £16.50.
“Order by” allows 4 working days’ delivery from Lamberts Healthcare and your spare days.
Price history
No price change since 21 September 2026. Checked on 27 days, most recently 20 October 2026.
- Price at every check
- £16.50Lamberts Healthcare (Nature's Best)
- First recorded
- £16.5021 Sept
- Checked on
- 27 dayssince 21 Sept
- First checked at Lamberts Healthcare (Nature's Best): £16.50
Questions about this product
How much does Nature's Best Flourishe Gut Supplement cost per 5 g?
17p per 5 g, from £16.50 for 500 g at Lamberts Healthcare (Nature's Best), checked on 20 October 2026.
Is it the cheapest inulin / FOS in the UK?
No, it is 2nd of 10. High Fibre Inulin Powder at Simply Supplements works out at 15p per 5 g.
How long does one pack last?
3 months at one 5 g dose. The pack holds 500 g in total.
About Nature's Best
Founded 1981 · Tunbridge Wells, England · Part of Procter & Gamble
Nature's Best is a vitamins and supplements brand based in Tunbridge Wells, Kent, that has sold direct to the public since 1981. It is a trading name of Lamberts Healthcare Ltd, which also supplies practitioners and pharmacists under the Lamberts name.
All 136 Nature's Best products, priced per doseVisit Nature's Best (opens in a new tab)
More from Nature's Best
- Iron (Citrate) 14mgother forms of iron · 100 tablets8p per 14 mg ironCheapest per dose in its tableDetails and price history
- Manganese 4mgmanganese · 100 tablets3p per 2 mg manganeseCheapest per dose in its tableDetails and price history
- Pycnogenol with Maritime Pine Bark Extractpine bark extract pycnogenol · 60 capsules£1.08 per 100 mgCheapest per dose in its tableDetails and price history
- Vitamin B1 (Thiamin) 100mgthiamine (vitamin B1) · 90 capsules8p per 100 mgCheapest per dose in its tableDetails and price history
