Science-led / Clinic-informed / Human guidance

Feel clearer about your gut-health routine.

ARK Fusion creates science-led gut-health supplements and 30-day routines designed to help you choose your next step with more confidence.

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Science-led

Research-informed formulas and product routes.

Clinic-informed

Built around real customer questions and guided support.

Human guidance

Use Find My Routine or speak to the team when you need help choosing.

Developed by PhD researchers Evidence-informed ingredients Secure online ordering Clear product guidance Subscribe & Save 15% Developed by PhD researchers Evidence-informed ingredients Secure online ordering Clear product guidance Subscribe & Save 15%

Choose your starting point

A clearer way to find what fits your routine.

Start with the type of support you want to explore. You do not need to know a specific ingredient or formula first.

Daily support

Compare probiotics

See formats, ingredients and routine fit across the ARK Fusion probiotic range.

Explore probiotics Structured routine

Choose a 30-day Power Pack

Two complementary products with practical food and routine support for a clear 30-day starting point.

Explore Power Packs Deeper insight

Explore microbiome test

Find out what the service includes, how testing works and how professional results support is provided.

Explore microbiome test Still unsure?

Find My Routine

Answer a few quick questions and receive guided ARK Fusion recommendations.

Find my routine

Most-loved Daily Probiotics


Compare ARK Fusion probiotic formulas by format, ingredients and how they fit into your everyday routine.

  • IMMU ProBio

    IMMU ProBio

    IMMU ProBio

    £21.95 GBP
    £21.95 GBP
  • Soothe Biotix

    Soothe Biotix

    Soothe Biotix

    £34.95 GBP
    £34.95 GBP
  • Hydro2 Pro

    Hydro2 Pro

    Hydro2 Pro

    £32.95 GBP
    £32.95 GBP
  • FIT Pro

    FIT Pro

    FIT Pro

    £52.95 GBP
    £52.95 GBP
1 4
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SUBSCRIBE + SAVE 15%

ON ELIGIBLE DAILY PRODUCTS

1 6

Power Pack: ENERGY

FAST Lax: Fibre-based daily bowel-routine support. With sugar beet fibre to support the cleanse side of your 30-day routine.

FIT Pro: Electrolyte + live-culture performance drink. 20 billion CFU, 4 live-culture strains + collagen.

+ ENERGY Food & Routine Guide

£112.90 GBP
£112.90 GBP
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Created by Irish PhD Researchers

Explore our research

Need help choosing?

I'm Amanda, founder of ARK Fusion and Inner Angel Health.

We created ARK to make gut-health support feel clearer, more practical and easier to act on.

Book a free 15-minute help-me-choose call with our sister clinic, Inner Angel Health.

Book a Free 15 minute Call

FAQ's

I'm not sure where to start. What should I do?

Use Find My Routine for guided product recommendations, or book a free 15-minute help-me-choose call if you would prefer to speak to our team.

What makes ARK Fusion probiotics different?


ARK Fusion offers different probiotic formulas rather than one generic option. Products vary by live-culture strains, format and complementary ingredients, so you can compare the range or use Find My Routine if you are unsure where to start.

Can I create a subscription?

Yes. Subscribe + Save 15% is available on selected everyday products, with delivery frequency options shown on eligible product pages.

What's the difference between an individual product and a Power Pack?

Individual products suit you when you already know what you want. Power Packs provide a more structured 30-day starting point, pairing complementary ARK Fusion products with the relevant Food & Routine Guide included. Guides are also available separately for £25.

When should I consider microbiome testing?

Microbiome testing may suit you if you want deeper insight into your gut microbiome rather than simply choosing an everyday supplement or routine. Our Advanced Gut Microbiome Test includes a professional results consultation to help you understand your report.

Click & Collect

Collect from Inner Angel Health

Order online and collect locally from our sister clinic when that is easier than delivery.

Choose Click & Collect at checkout when available.
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Collect from Inner Angel Health.