Innerfuel Prebiotic Blend

Name: Innerfuel Prebiotic Blend
Brand: Bulletproof
SKU: product-0352
Price: 45.00 GBP
Availability: InStock
Rating: 4.9 (24 reviews)

£45.00

Innerfuel Prebiotic Blend is a two-ingredient prebiotic fibre supplement from Bulletproof, combining acacia gum and larch arabinogalactan to support the growth of beneficial bacteria in the gut.

Feeds beneficial gut bacteria via fermentable prebiotic fibre
May support digestive regularity and bowel consistency
Studied for potential immune support at the gut lining
Flavour-neutral powder suitable for daily use in drinks
Minimal ingredient list — no fillers or artificial additives

4.9 (24 reflections)

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BulletproofInnerfuel Prebiotic Blend

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About This Product.

Innerfuel Prebiotic Blend is a two-ingredient prebiotic fibre supplement from Bulletproof, combining acacia gum and larch arabinogalactan to support the growth of beneficial bacteria in the gut. Both are soluble, non-digestible fibres — they pass through the upper digestive tract intact and are fermented by bacteria in the colon, where they may help increase populations of Bifidobacterium and Lactobacillus species. This is not a probiotic; it feeds the microbiome you already have rather than adding new strains.

The blend suits anyone who wants to support digestive regularity, those who feel their fibre intake is consistently low, or individuals who have recently completed a course of antibiotics and want to encourage a healthier microbial environment. It may also interest people managing bloating or irregular bowel habits who prefer a flavour-neutral powder over capsules.

Both acacia gum and larch arabinogalactan have a good tolerability record. Larch arabinogalactan is also studied for its potential role in immune modulation at the gut lining, though clinical evidence remains in development. The formula is deliberately minimal — just two well-characterised fibre sources, no fillers or flavourings, which makes it straightforward to add to coffee, a smoothie, or water without altering taste significantly. For a doctor-curated shop, that simplicity is a point in its favour: you know exactly what you are taking.

Frequently Asked.

What is the difference between a prebiotic and a probiotic?

Probiotics are live bacteria you introduce into the gut. Prebiotics are fibres that feed the bacteria already living there. Innerfuel contains no live cultures — it works by providing fermentable fuel for your existing microbiome.

Will this cause bloating?

Soluble fibres can cause temporary gas or bloating when introduced quickly, particularly if your current fibre intake is low. Starting with a smaller amount and increasing gradually over one to two weeks tends to reduce this effect.

Can I take this alongside a probiotic supplement?

Yes — prebiotics and probiotics are commonly used together. The prebiotic fibre may help sustain the bacterial strains introduced by a probiotic, which is why combined use is often recommended. Check with your GP or clinician if you have an inflammatory bowel condition before starting either.

Who should be cautious about taking this product?

Those with irritable bowel syndrome (IBS), particularly the diarrhoea-predominant subtype, should introduce fermentable fibres carefully, as they can aggravate symptoms in some individuals. If you have a diagnosed gut condition, speak to a clinician before adding a prebiotic supplement.

How long before I notice a difference?

Meaningful changes to the gut microbiome typically take several weeks of consistent daily use. Improvements in digestive regularity may be noticed sooner, but prebiotic supplementation is best treated as a long-term habit rather than a quick fix.

Customer Reflections

Overall Sentiment

4.924 reflections

1 – 6 of 24 reflections

Quietly brilliant for gut health

4 months ago

Been using this for about six weeks now, mixing it into my morning coffee. Honestly can't taste it at all, which was my main worry. Digestion has been noticeably more regular and the bloating I used to get most afternoons has largely settled down. Really like that it's just two ingredients — I know exactly what I'm putting in my body.

Good stuff

4 months ago

Does exactly what it says. Mixes well, no flavour, no fuss.

Post-antibiotic recovery sorted

5 months ago

Finished a two-week course of antibiotics in January and my gut was all over the place. A GP friend suggested feeding my existing microbiome rather than just taking probiotics, so I looked into prebiotics and found this. Within about three weeks I felt back to normal. Can't prove it was entirely down to this but the timing makes sense to me.

Good product, just wish the pouch were bigger

5 months ago

Really happy with how it's worked — my digestion has been more consistent since I started. My only gripe is the pouch size. At £41.99 it doesn't last as long as I'd like if you're using a full serving daily. Would buy again but would love a larger bag option.

5 months ago

Stir it into a smoothie each morning and genuinely forget it's there. Gut feels much more settled than it did six months ago.

Minimal formula, maximum peace of mind

5 months ago

I read labels obsessively and this one passes every test. Two ingredients, no fillers, no sweeteners. Dissolves cleanly in water. Noticed improved regularity after about two to three weeks. For anyone who's fed up with supplement blends stuffed with ingredients you don't need, this is a refreshing change.

Innerfuel Prebiotic Blend

About This Product.

How to Take It

Frequently Asked.

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