Complete Bio-Culture, 60 tablets
£9.99 for 60 tablets 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.
At one 650 mg dose a day, this pack lasts 18 days. A month is 30 days, so twelve of them is not quite a year.
How we worked it out
- Servings: 60 ÷ 2 per serving = 30
- In the pack: 30 × 400 mg = 12 g
- £9.99 ÷ 12 g × 650 mg = 54.1p per 650 mg
- A week 54.1p × 7 = £3.79 · a month × 30 = £16.23 · a year × 365 = £197.51
- 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: betaine HCl
All 5, ranked →
Ranked purely by price per 650 mg. 13 combination products also contain betaine HCl.
On the label
- Betaine HCl · Betaine HCl
- 400 mg per serving (stated on the label)
- Pack
- 60 tablets · 30 servings · 2 tablet(s) a serving
- Cost per serving
- 33p (30 servings in the pack)
More label details
- Sold by
- Bulk
- What the listing says
- “60 Tablets” · “Per Serving (2 Capsules)” · “Betaine HCL ; 400 mg”
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One 650 mg dose is our comparison unit, not a recommendation.
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Filled in from the label’s serving: 2 tablets.
What you paid
Optional. At Bulk today: £9.99.
“Order by” allows 3 working days’ delivery from Bulk and your spare days.
Price history
1 price change since 23 September 2026. Checked on 21 days, most recently 20 October 2026.
- Lowest recorded
- £8.9923 Sept
- Highest recorded
- £9.995 Oct
- First recorded
- £8.9923 Sept
- Checked on
- 21 dayssince 23 Sept
- Up at Bulk: £8.99 → £9.99 (+11%)
- First checked at Bulk: £8.99
Questions about this product
How much does Bulk Complete Bio-Culture cost per 650 mg?
54p per 650 mg, from £9.99 for 60 tablets at Bulk, checked on 20 October 2026.
How long does one pack last?
18 days at one 650 mg 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.
All 133 Bulk products, priced per doseVisit Bulk (opens in a new tab)
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