All nutrients
Riboflavin (B2)
B2vitaminwater-solublemeasured in mg
Today
3-day window. Water-soluble and not stored, so a short run of days is the signal.
2.43 mg / 1.3 mg187%
What it is
Carries electrons through energy metabolism, and recycles other B vitamins.
Reference intake
Your daily target, personalised to your age and sex.
- RDA
- 1.3 mgmale_19_plus
- Upper limit
- none established
Full write-up not finished
The reference intake above is real and cited — Riboflavin (B2) 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