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LongevityMate Tools

Free health calculators that explain the answer

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4 reviewed tools in Supplements

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EPA and DHA label calculator illustration showing separate label amounts multiplied by servings and added into one combined totalFreeSupplements

EPA and DHA label calculator

Multiply EPA and DHA amounts from a label by the servings entered, then see separate and combined totals without dose or target advice.

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Supplement bottle calculator

Estimate how many days a supplement container will last from the amount in it and the amount used per day. Inputs and results stay in your browser.

Open toolSupplement printed-date calculator illustration comparing two complete calendar dates to produce a neutral calendar-day differenceFreeSupplements

Supplement expiry date calculator

Count exact calendar days until or past a full date printed on a supplement label, without judging safety, potency or suitability.

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Vitamin D IU to mcg converter

Convert vitamin D2 or D3 label amounts between international units (IU) and micrograms (mcg) using the exact 1 mcg = 40 IU relationship.

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