What causes yo-yo weight regain?

Rapid loss, very low calories, lost muscle and unsustainable rules drive regain once normal eating resumes.

How do I keep the weight off?

Lose slowly, keep protein high, strength train to preserve muscle, and transition to maintenance gradually instead of stopping abruptly.

Yes. Extreme deficits lower metabolism and muscle mass, which strongly increases the odds of regaining the weight.

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Starting Weight

Current Weight

Weeks on Diet

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Daily Calories

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Exercise Frequency

Previous Diet Attempts

What causes yo-yo weight regain?: Rapid loss, very low calories, lost muscle and unsustainable rules drive regain once normal eating resumes.
How do I keep the weight off?: Lose slowly, keep protein high, strength train to preserve muscle, and transition to maintenance gradually instead of stopping abruptly.
Does crash dieting cause rebound?: Yes. Extreme deficits lower metabolism and muscle mass, which strongly increases the odds of regaining the weight.