Nishaana
What is Caffeine?
A stimulant that improves alertness, focus, and exercise performance.
In context
Caffeine is a key concept in supplements. A stimulant that improves alertness, focus, and exercise performance. 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 supplements terms
Common questions.
What does caffeine mean?
A stimulant that improves alertness, focus, and exercise performance.
What category does caffeine belong to?
Caffeine is a term from supplements in strength and fitness training. Browse more supplements terms in the Nishaana glossary.
Why does caffeine matter for training?
Understanding caffeine 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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