Question

For how many hours could an average person be sustained by the body’s stored glycogen under resting conditions?
Responses

24 hours
24 hours

12–14 hours
12–14 hours

2 hours
2 hours

24–48 hours

Answer 1

12–14 hours.

Explanation: Only liver glycogen can supply blood glucose between meals; hepatic stores are limited and are typically depleted after roughly half a day (around 12–18 hours), at which point gluconeogenesis becomes the main source of glucose.