In mammals, fat, or adipose tissue, is deposited beneath the skin and around the internal organs, where it also protects and insulates against heat loss. Fat is a necessary, efficient source of energy. Learn what dietary fats do for the body and how much fat is recommended per day.

Fats are one of the three main macronutrient groups in human diet, along with carbohydrates and proteins, [1][3] and the main components of common food products like milk, butter, tallow, lard, salt รขโ‚ฌยฆ In june 2023, the army announced a new army body fat circumference-based tape test and supplemental body fat assessment. This new calculator provides a more accurate assessment of รขโ‚ฌยฆ