Can Crash Diets Cause Hair Loss?
Quick answer: Yes, rapid weight loss, very low-calorie diets and low protein intake can trigger telogen effluvium, usually two to three months after the diet starts; eating enough protein and calories helps hair recover.
- Why: Hair is non-essential tissue for the body.
- What to eat: Protein, iron-rich foods.
- Recovery: Over months.
Frequently asked questions
Does keto cause hair loss?
Rapid weight loss on any diet can.
Supplements?
Test first.
Timeline?
Months.
Folli-Doc at a glance
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Related reading
- Why Is My Hair Falling Out So Much?
- Which Vitamin or Mineral Deficiencies Can Cause Hair Loss?
- Can Stress Really Cause Hair Loss?
- How Long Does Postpartum Hair Loss Last?
- Hair loss library: Causes of hair loss
Reviewed by the Folli-Doc team, led by Dr. Steven Goh (6 years’ experience in hair density treatment). This article is general information, not a medical diagnosis; for sudden, patchy or painful hair loss, see a doctor or dermatologist.