Some health perks quietly kick in almost immediately after you’ve modified how you eat.
However, it can still take time for the body to truly transform.
News & World Report.

“Physiologic changes will start quickly, but the true effect takes time.”
This can vary depending on your diet and health goals.
As for losing weight, no two bodies are the same, and not all diets are fail-safe.

The rule of thumb, saysCleveland Clinic, is to consume fewer calories than your body needs.
Another common struggle:food cravings.
Then, according to a2018 studypublished in Appetite, you may suffer withdrawal symptoms including irritability and fatigue.

Not all dieting side effects are normal, though.