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Runner's Trots: Why Running Upsets Your Stomach

Written and medically reviewed by Dr Zeeshan Afzal (MBBS), Medical Content Lead at Welzo. Last updated: July 2026. This article is for general information and is not a substitute for...

Gut Health for Shift Workers and Poor Sleepers

Written by Dr Zeeshan Afzal, MBBS — Medical Doctor and Clinical Content Lead at Welzo. Last reviewed: July 2026. Next review due: July 2027. Reading time: approximately 12 minutes. If...

Best Probiotics for Travelling UK

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor and Health Content Reviewer, Welzo. Last updated: July 2026. If you are searching for travel probiotics UK, you...

Gut Health on a Vegan Diet

Written and medically reviewed by Dr Zeeshan Afzal (MBBS), Medical Content Lead at Welzo.Last updated: July 2026 · Next review: July 2027 · Reading time: 13 minutes Going vegan is...

Gut Microbiome Tests UK 2026: Are They Worth It...

Written and medically reviewed by Dr Zeeshan Afzal | Last updated: July 2026 | Reading time: approx. 14 minutes Gut microbiome testing has become one of the fastest-growing corners of...

Symprove vs Optibac: Liquid vs Capsule

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor & Medical Content Lead, Welzo Evidence-based · Honest about what's proven and what isn't · UK-focused Last updated:...