An oversized white supplement tub dwarfing two small capsules on a grey backdrop, captioned “50 billion of the wrong thing” alongside a note reading 5 strains.

Best Probiotic for Bloating: UK Guide

Tim Goodwin

Search "best probiotic for bloating UK" and you'll find dozens of tubs quoting eye-watering CFU counts — 50 billion, 100 billion — as if a bigger number automatically means a better result. It doesn't. What actually matters for day-to-day digestive comfort is which strains are in the capsule, not just how many bacteria are crammed into it.

THE SHORT VERSION

5 strains, not just a big number

Billions pairs two high-count strains (Acidophilus and Bifidobacterium Bifidum, 10 billion CFU/g each) with three supporting strains, in 2 small capsules a day — no faff, no powder to mix.

5 bacterial strains 2 capsules per day £0.60/day Made in the UK

Why strain count matters more than CFU count

CFU (colony forming units) tells you how many live bacteria are in a dose — but different strains do different jobs in the gut. A single-strain tub with an enormous CFU count is still only doing one job. A multi-strain formula covers more ground, even at a lower headline number.

What's actually in Billions

Billions — Acidophilus Complex Capsules contains five strains per serving:

  • Lactobacillus Acidophilus — 10 billion CFU/g
  • Bifidobacterium Bifidum — 10 billion CFU/g
  • Lactobacillus Salivarius — 1 billion CFU/g
  • Lactobacillus Rhamnosus — 1 billion CFU/g
  • Streptococcus Thermophilus — 1 billion CFU/g

Two capsules a day, ideally at the same time each day — most people take them with breakfast for consistency.

What to actually expect

Probiotics support the balance of bacteria in your gut — they aren't a fast-acting fix and they aren't a treatment for a diagnosed digestive condition. Give a new probiotic several weeks of consistent daily use before judging whether it's doing anything, and speak to your GP first if you have an ongoing digestive condition rather than self-treating with any supplement.

Capsules vs powders vs drinks

Live bacteria are sensitive to heat, moisture and time. Capsules tend to protect strains better than a powder that's been mixed into liquid and left sitting, and they travel and store more easily than a fridge-only probiotic drink.

How the options compare

Billions (2 capsules/day) Single-strain high-CFU tub Probiotic yoghurt drink
Strains 5 Usually 1 Usually 1–2
Format Capsule Capsule or powder Refrigerated drink
Daily cost £0.60/day (one-time), £0.54/day (subscription) £0.40–1.00/day £0.50–1/day, ongoing fridge cost
Needs refrigeration No Usually no Yes
UK-made Yes Varies Varies

FAQ

Is it OK to take acidophilus every day?

For most people, yes — daily use is how probiotic strains build and maintain a presence in the gut. Speak to your GP first if you're pregnant, immunocompromised, or managing a diagnosed digestive condition.

How long before a probiotic works?

Several weeks of consistent daily use is the realistic timeframe to judge effect, not days.

Can I take a probiotic alongside Collagen Greens?

Yes — Billions and Collagen Greens are commonly taken together as a gut-health pairing, one in the morning routine alongside the other.


5 STRAINS, 2 SMALL CAPSULES

No faff, just clean, effective ingredients

Billions pairs high-count Acidophilus and Bifidobacterium Bifidum with three supporting strains — take with breakfast, no fridge required.

5 bacterial strains 2 capsules per day No refrigeration needed 60-day guarantee
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While you're here — what we make.

Collagen Greens compared with a typical greens powder.
What is being compared A typical greens powder Collagen Greens
Creatine per serving None 4,000mg
Hydrolysed collagen per serving None 4,000mg
Fillers, fibers and sucralose We wanted to create a drinkable greens, that gives you all the good stuff, but none of the nasties often included ZERO
Ingredient Count More is not better for ingredients, its a clue that they use a vitamin and mineral premix to boost the ingredient and claim count. We just use raw wholefood ingredients. 50+ 16

Pick your rhythm.

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Common questions, answered.

What does Collagen Greens taste like?

Neutral, closer to cold green tea than to fruit. It mixes in cold water with a shaker.

Is it suitable for vegetarians or vegans?

No. It contains bovine collagen.

What if I don't get on with it?

Sixty days, full refund. Email support@leangreens.com.