Digestive Health

Metformin and Gut Side Effects: What Helps

Dr Muhammad Zeeshan Afzal

Metformin stomach side effects — nausea, diarrhoea, bloating, cramping and wind — are the most common reason people stop taking the UK's most widely prescribed diabetes medicine. The reassuring news...

Metformin and Gut Side Effects: What Helps

Dr Muhammad Zeeshan Afzal

Metformin stomach side effects — nausea, diarrhoea, bloating, cramping and wind — are the most common reason people stop taking the UK's most widely prescribed diabetes medicine. The reassuring news...

Do Probiotics Actually Work? What the Trials Show

Dr Muhammad Zeeshan Afzal

Medically reviewed and written by Dr Zeeshan Afzal, MBBS — Medical Content Lead, Welzo. Last reviewed: August 2026. This article is for general information and is not a substitute for...

Do Probiotics Actually Work? What the Trials Show

Dr Muhammad Zeeshan Afzal

Medically reviewed and written by Dr Zeeshan Afzal, MBBS — Medical Content Lead, Welzo. Last reviewed: August 2026. This article is for general information and is not a substitute for...

Is Leaky Gut Real? Separating Evidence From Hype

Dr Muhammad Zeeshan Afzal

Written by Dr Zeeshan Afzal, MBBS — Medical Content Lead, WelzoLast reviewed: August 2026 | Reading time: approximately 13 minutes | Evidence-based, referenced, and updated in line with current gastroenterology...

Is Leaky Gut Real? Separating Evidence From Hype

Dr Muhammad Zeeshan Afzal

Written by Dr Zeeshan Afzal, MBBS — Medical Content Lead, WelzoLast reviewed: August 2026 | Reading time: approximately 13 minutes | Evidence-based, referenced, and updated in line with current gastroenterology...

Best Shelf-Stable Probiotics UK (No Fridge Needed)

Dr Muhammad Zeeshan Afzal

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:...

Best Shelf-Stable Probiotics UK (No Fridge Needed)

Dr Muhammad Zeeshan Afzal

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:...

Reading the Bristol Stool Chart: What Your Stoo...

Dr Muhammad Zeeshan Afzal

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor & Medical Content Lead, Welzo Evidence-based · Aligned with NICE & clinical sources Last updated: January 2026 ·...

Reading the Bristol Stool Chart: What Your Stoo...

Dr Muhammad Zeeshan Afzal

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor & Medical Content Lead, Welzo Evidence-based · Aligned with NICE & clinical sources Last updated: January 2026 ·...

Crohn's Disease: Nutrition and Supplement Consi...

Dr Muhammad Zeeshan Afzal

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor & Medical Content Lead, Welzo Evidence-based · Aligned with NHS, NICE and ESPEN guidance Last updated: January 2026...

Crohn's Disease: Nutrition and Supplement Consi...

Dr Muhammad Zeeshan Afzal

Written and medically reviewed by Dr Zeeshan Afzal (MBBS) — Medical Doctor & Medical Content Lead, Welzo Evidence-based · Aligned with NHS, NICE and ESPEN guidance Last updated: January 2026...