Nutrient Library

Total fat

Total fat is an important nutrient found in many common foods today.

What it is

Fat is among the main nutrients found in many common everyday foods. It gives the body stored energy for use at a later time. It comes from oils, nuts, seeds, meat, fish and common dairy products. It also comes from avocados, olives and many baked foods.

What it does

Fat helps the body absorb some important vitamins found in many foods. It helps keep the body warm when the weather is very cold. It cushions organs and helps protect them from serious harm each day. It is part of cell walls and many other body tissues too.

How much people need

  • FDA Daily Value for fat: 78 g. It is a reference amount used on Nutrition Facts labels, not a personal target. Source: US FDA.

Common myths

  • Myth: All fat in food is always bad for the body and health. Truth: The body needs some fat to work well and stay strong daily.
  • Myth: Fat only gives energy and does nothing else useful for the body. Truth: Fat also helps absorb vitamins and protect the organs from harm daily.

Sources and background

The sections on what it is, what it does and the myths are general background from NIH MedlinePlus: Dietary Fats, checked on 29 October 2026. The intake figures above carry their own sources.

Foods with the most total fat (per 100 g)

  1. Avocado Oil 100 g
  2. Coconut Oil 99.1 g
  3. Butter 81.1 g
  4. Almond Butter 53 g
  5. Cashew Butter 53 g
  6. Peanut Butter 49.4 g
  7. Margarine 44.5 g
  8. Heavy Cream 36.1 g

Computed from USDA FoodData Central values in our food pages.

Educational information only, not medical or dietary advice. Consult a qualified health professional for personal nutrition guidance.