NutriTracker
Tue, Aug 11
All nutrients

Biotin (B7)

B7
vitaminwater-solublemeasured in mcg

Today

3-day window. Water-soluble and not stored, so a short run of days is the signal.

None of today's foods carried a value for Biotin (B7). That is a gap in the data, not a reading of zero.

What it is

Carries carbon dioxide in fat and glucose synthesis. Deficiency is rare.

Reference intake

Your daily target, personalised to your age and sex.

AI
30 mcgmale_19_plus
Upper limit
none established

Full write-up not finished

The reference intake above is real and cited — Biotin (B7) is assessed against it exactly like any other nutrient. What is missing is the written panel: what it does in detail, what deficiency and excess look like, absorption, interactions, and food sources ranked against what you eat.

Entries live in data/nutrients.json. Filling this one in changes no code.

Sources

Last reviewed 2026-08-11