The Book of Suna

A collection of guides and definitions on gut, GLP-1, hormones, and energy.

Every entry is reviewed by Dr Chad Okay, NHS doctor and UCL researcher. Cited from NHS, NICE, BSG and peer-reviewed sources.

Guides

18 articles

Bloating

Energy and tiredness

Fibre and prebiotics

Food intolerance

GLP-1 side effects

Hormones and the cycle

Gut microbiome

Perimenopause

Poo, stool and bowel movements

Sleep and the gut

Comparisons

5 side-by-side

Definitions

Bowel movements

Digestive symptoms

Energy and fatigue

Food intolerance and FODMAPs

GLP-1 and metabolic medicine

Gut anatomy and function

Hormones and the cycle

IBS and IBD

Microbiome science

Nutrition and diet

Sleep, stress and recovery

Wearables and tracking

Weight loss and gain

The Book of Suna is general information, not medical advice. It is not a substitute for talking to a qualified healthcare professional about your own situation.