Daily caffeine total
Add coffee, tea, energy drinks and supplements in one total.
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Useful calculators. No account required.
The tools turn label numbers into understandable estimates. Entered values remain in the browser and are not included in behavioural analytics.
A calculator can organise information; it cannot diagnose a condition or guarantee that a dose is appropriate for yFIT PROFIT · EDITORIAL
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A calculator can organise information; it cannot diagnose a condition or guarantee that a dose is appropriate for you.
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EU NRV calculator
Convert an amount of a vitamin or mineral into a percentage of the EU reference value.
Open toolsSalt ↔ sodium
Convert grams of sodium to salt and back using the EU labelling factor.
Open toolsLabel Lab
Use the broader EU label workflow for claims, allergens and portions.
Open Label LabSupplement comparison
Read the 12-point comparison guide before choosing between formats.
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Contact OlenaWhy the tools are neutral
These pages do not contain direct partner-registration buttons inside the calculator. Their first job is to provide an answer that can be checked. Internal links then lead to a guide, source or relevant FitLine page only when it matches the question.
Values such as NRV and caffeine references are population-level orientation, not a personal prescription.
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The calculators run locally and do not replace the current label or professional advice. Use the same serving and unit shown on the package, then open the linked guide for method, limits and primary sources.
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Daily caffeineQueries: how much caffeine per day · caffeine and sleepOpen answer →Understand NRVQueries: what does nrv mean · calculate nutrient reference valueOpen answer →Label and ingredientsQueries: how to read a supplement label · check ingredientsOpen answer →EU allergensQueries: 14 eu allergens · check allergens in ingredientsOpen answer →Salt and sodiumQueries: convert sodium to salt · salt sodium calculatorOpen answer →FitLine safetyQueries: fitline side effects · fitline contraindicationsOpen answer →