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Fats belong to a group of substances called lipids.
Fats come in liquid or solid form. All fats are combinations of saturated and unsaturated fatty acids. Fats can be called very saturated or very unsaturated depending on their proportions. Food Sources Saturated fats are found in foods from both animal and vegetable sources. Animal sources include meat, poultry, and whole-milk dairy products such as cheese, milk, ice cream, cream, butter, and lard.