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Definition of Fat Free Mass

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Updated February 15, 2014

skeletons

Bones in the human body are an example of fat-free mass.

Image courtesy cancer.gov

Definition: Fat-free mass is comprised of the nonfat components of the human body. Skeletal muscle, bone and water are all examples of fat-free mass.

Examples: Fat-free mass can refer to any body tissue that does not contain fat.

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