Why do I feel low energy after eating?
Short answer
Digestion uses energy.
What’s usually happening
Blood flow shifts to the gut, which can temporarily lower alertness.
What this is usually not
food intolerance
poor metabolism
Common reasons
large meals
heavy or mixed meals
sitting still after eating
What usually helps
smaller meals
light movement
time
When to pay attention
If low energy after eating is extreme or prolonged.
If your low energy feels different, return to main low energy page.