All nutrients
Calcium
Camineralmajor-mineralmeasured in mg
Today
30-day average. Months to years of reserve, so only a sustained trend is meaningful.
846 mg / 1000 mg85%
What it is
Builds the skeleton, and runs muscle contraction and nerve signalling.
Reference intake
Your daily target, personalised to your age and sex.
- RDA
- 1000 mgmale_19_50
- Upper limit
- 2500 mgapplies to total
Excess is associated with kidney stones and, from supplements specifically, with vascular calcification. Calcium from food carries neither association as clearly.
Full write-up not finished
The reference intake above is real and cited — Calcium 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