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BulkBotanicals & extracts

Digestive Health Capsules, 120 capsules

£24.99 for 120 capsules at Bulk. It carries more than one active ingredient, so it is not ranked against single-ingredient products. Each price below counts one ingredient only.

What it really costs, per 5 g£10.41One 5 g dose is our comparison unit for inulin / FOS. It is not a recommendation.
A day£10.41
A week£72.89
A month£312.37
A year£3800.56

At one 5 g dose a day, this pack lasts 2 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 120 ÷ 4 per serving = 30
  • In the pack: 30 × 400 mg = 12 g
  • £24.99 ÷ 12 g × 5 g = £10.41 per 5 g
  • A week £10.41 × 7 = £72.89 · a month × 30 = £312.37 · a year × 365 = £3800.56
  • 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 →
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)
This productBulk · 400 mg a serving · £312.37 a month · a pack lasts 2 days£10.41shown above

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

On the label

Inulin / FOS · Inulin / FOS
400 mg per serving (stated on the label)
Pack
120 capsules · 30 servings · 4 capsule(s) a serving
Cost per serving
83p (30 servings in the pack)
More label details
Sold by
Bulk
What the listing says
“120 Capsules” · “Per Serving (4 capsules)” · “Inulin ; 400mg”
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One 5 g dose is our comparison unit, not a recommendation.

Price history

1 price change since 23 September 2026. Checked on 21 days, most recently 20 October 2026.

Lowest recorded
£21.9923 Sept
Highest recorded
£24.995 Oct
First recorded
£21.9923 Sept
Checked on
21 dayssince 23 Sept
Pack price at each check.
  1. Up at Bulk: £21.99 → £24.99 (+14%)
  2. First checked at Bulk: £21.99

Questions about this product

How much does Bulk Digestive Health Capsules cost per 5 g?

£10.41 per 5 g, from £24.99 for 120 capsules at Bulk, checked on 20 October 2026.

How long does one pack last?

2 days at one 5 g dose. The pack holds 12 g in total.

About Bulk

Founded 2006 · Colchester, England

Bulk is a British sports nutrition company based in Colchester, Essex. Adam Rossiter and Elliot Dawes, who met at the University of Essex, started it in 2006 as Bulk Powders; it was renamed Bulk at the start of 2021, and the founders remain its majority owners.

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