It represents the energy used by the body in conditions of mental and physical rest, in the supine position, fasting for 12 hours, with an ambient temperature of 20 °C.

It is measured in kcal or kJ.

Changes are in relation to:

• Age
• Body surface area
• Muscle mass
• Climate
• Nutrition
• Fever
• Drugs/medications

Disclaimer: Unless otherwise specified, Helo devices and related services are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease. With regard to accuracy, Helo has developed products and services to track certain wellness information as accurately as reasonably possible. The accuracy of Helo’s products and services is not intended to be equivalent to medical devices or scientific measurement devices. Consult your doctor before use if you have any pre-existing conditions that might be affected by your use of any product or service.