What Happens to Blood Sugar During Fasting
Blood Sugar During Fasting: UK Guide 2026 | Complete Nutrition Understanding Fasting What happens to blood sugar during fasting Blood glucose stays in a tight range during fasting despite no carbohydrate intake. The first 12 to 24 hours blood glucose...
Extended Fasting and Health Risks Explained
Extended fasting sits in a very different category to skipping breakfast or trying a shorter intermittent fasting routine. When people say “extended fasting” they are usually talking about going without food for multiple days, sometimes with only water, sometimes with...
The 5 Day Fast Explained: UK Safety Guide 2026 | Complete Nutrition Understanding Fasting The 5 day fast explained A 5 day fast crosses firmly into extended fasting territory with real medical risks. Blood ketones reach 2 to 5 mmol/L...
The 48 Hour Fast Explained: UK Guide 2026 | Complete Nutrition Understanding Fasting The 48 hour fast explained A 48 hour fast means no calories for two full days. Typical pattern: dinner at 7pm on day 1, skip all food...
The 36 Hour Fast Explained: UK Guide 2026 | Complete Nutrition Understanding Fasting The 36 hour fast explained A 36 hour fast means no calories for a day and a half. Typical pattern: dinner at 7pm one day, skip all...
The 24 Hour Fast Explained: UK Guide 2026 | Complete Nutrition Understanding Fasting The 24 hour fast explained A 24 hour fast means no calories for one full day with water, black coffee and plain tea allowed throughout. Typical pattern:...
Alternate Day Fasting Explained
Alternate Day Fasting: UK Evidence Guide 2026 | Complete Nutrition Understanding Fasting Alternate day fasting: how it works and who it suits Alternate day fasting (ADF) alternates fasting days with normal eating days. Strict ADF allows zero calories on fasting...
14:10 fasting is one of the gentler versions of time restricted eating, and in my opinion that is exactly why it has become so appealing. It is structured enough to feel purposeful, but not so strict that it immediately clashes...
16:8 fasting is one of those health trends that arrived with a lot of noise and a surprising amount of staying power. It is talked about in gyms, offices, family group chats and GP waiting rooms, often with a mix...