In humans, it is found in small amounts around the neck, shoulders, and chest.
Cold conditions are the primary driver of brown fat activation, increasing energy expenditure.
Research during 2019 highlighted how activating BAT can improve metabolic health, specifically:
Activating BAT has been linked to better glucose metabolism and protection against type 2 diabetes and obesity. Potential Natural Activators
Brown adipose tissue (BAT) is a specialized type of fat that burns energy to produce heat (non-shivering thermogenesis).
Repurposed — a BAT activator | Nature Reviews Endocrinology