The NutriFit food diary supports three input modes: photo estimation, the product database and manual entry. It tracks calories and macronutrients as well as micronutrients, and lets you build daily, weekly and composite menus.
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Eating patterns become visible long before lab markers change. The diary exposes deficits and behavioural mistakes: chronic protein shortfall, low fibre, calorie spikes in the evening.
Completeness beats precision. Seven roughly logged days are more useful than two perfect ones.
It gives a workable approximation for everyday logging. For higher precision, refine the product via the database or enter grams manually.