Is it OK to be naturally underweight?

Although being lean can often be healthy, being underweight can be a concern if it’s the result of poor nutrition or if you are pregnant or have other health concerns. So, if you’re underweight, see your doctor or dietitian for an evaluation.

How much underweight is OK?

A person with a BMI of 18.5–24.9 will be within the healthy range. According to guidelines, a person with a BMI of less than 18.5 is underweight and may need to gain weight for their health.

What weight is too low?

If your BMI is less than 18.5, it falls within the underweight range.

How unhealthy is being skinny?

There are certain health risks associated with being underweight or having poor nutrition. These risks include: malnutrition, vitamin deficiencies, or anemia. osteoporosis from too little vitamin D and calcium.