Nishaana
What is Lean Mass?
Body weight that is not fat, including muscle, bone, and water.
In context
Lean Mass is a key concept in nutrition. Body weight that is not fat, including muscle, bone, and water. Knowing what it means — and how it connects to the rest of your training — turns it from jargon into something you can actually use in the gym.
Nishaana is built around ideas like this: it tracks the numbers behind them automatically, so the theory shows up as real progress in your logbook rather than staying abstract.
Related nutrition terms
Common questions.
What does lean mass mean?
Body weight that is not fat, including muscle, bone, and water.
What category does lean mass belong to?
Lean Mass is a term from nutrition in strength and fitness training. Browse more nutrition terms in the Nishaana glossary.
Why does lean mass matter for training?
Understanding lean mass helps you train and program more deliberately — it is one of the ideas that separates guessing from a real, repeatable system.
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