What is the primary function of the hormone leptin in regulating energy balance?

A Stimulating appetite and increasing food intake
B Regulating glucose metabolism and insulin sensitivity
C Inhibiting appetite and increasing energy expenditure ✓
D Modulating thyroid hormone production and metabolism

Explanation

Leptin is a hormone produced by adipose tissue that plays a crucial role in regulating energy balance by inhibiting appetite and increasing energy expenditure.

Mnemonic

Leptin = Less eating, more energy

Source

Guyton and Hall Textbook of Medical Physiology
Metabolic and Nutritional Disorders Endocrinology Energy Balance and Weight Regulation Medium MEDICAL Confidence: high