# Nutrition

> Micronutrients over time, the data coverage behind each figure, and which ones are worth your attention.

The dashboard handles calories and macros. The **Nutrition** page handles
micronutrients: minerals and vitamins, read over a period rather than day by
day.

## How to read this page

Each micronutrient is a card showing your daily average against a reference
target, with the source of that target. Eight are shown by default and twelve
more sit behind an expand control, twenty cards in total.

But the percentage is not the important part. The important part is **how much
data is behind it**.

## Data coverage

Every card carries its own coverage figure, and it answers exactly one question:
over this period, what share of the calories you ate came from items the food
composition table **actually has a number for** on that nutrient.

If you ate 2,000 kcal and only 800 of those came from items with calcium data,
calcium coverage is 40%. The rest is not zero, it is **unknown**.

> **Why micronutrients are harder than macros**
>
> Protein, carbohydrate and fat columns are almost always populated. Vitamin and
> mineral columns often are not. A nutrient showing low could mean you genuinely
> ate too little, or it could just mean the reference data does not record it. The
> coverage figure exists so you can tell those apart.

Kallo splits coverage into four bands, and how a figure is presented changes
with the band:

| Coverage | What it means |
| --- | --- |
| 70% and above | The figure reads normally |
| 40–69% | Limited data, treat it as indicative |
| 20–39% | Too thin to conclude from |
| Below 20% | Not enough data, Kallo draws no conclusion |

Coverage is computed per nutrient and depends only on what you ate. It has
nothing to do with how many days you managed to log.

## Complete and partial days

That is a separate mechanism, and it handles the time dimension.

A day where you logged breakfast and then forgot drags every figure down even
though you did not really eat that little. So Kallo marks a logged day
**partial** when its total calories fall below half of a baseline. The baseline
is your calorie target if you have set one, otherwise the median of the days you
have logged.

Long-span figures are computed over complete days only. Partial days are not
hidden — they are reported separately so you know how many the period contains.

There is a safety valve: if **every** day in the period would be partial, Kallo
treats them all as complete. Otherwise anyone who logs lightly would see an
empty page instead of their own data.

## Worth your attention

Kallo highlights **at most two** nutrients, picked by how far below target they
sit.

A nutrient only qualifies if its coverage is 40% or above and it is under 90% of
target. That means a nutrient can be genuinely low and still not appear here,
simply because there is not enough data to say anything. That is deliberate.

### Foods to consider

For each nutrient, Kallo suggests foods rich in it, ranked by amount per 100g
straight from the food composition table.

That list is **not** based on your eating habits. It is foods high in that
nutrient generally, after excluding a few categories that would otherwise always
top a density ranking without helping: dried spices, oils and fats, sweets,
beverages, breakfast cereals and fortified products. A gram of dried thyme tops
the vitamin K table, but nobody eats a gram of thyme to close a gap.

## Vitamin D

Vitamin D gets its own card, separate from the rest, because for most people the
main source is sunlight rather than food. Reading a vitamin D figure off a food
log the way you read the others leads to the wrong conclusion.

## Macro trends

The page also charts macros over time, useful when you want to see whether your
protein ratio is holding steady rather than only watching total calories.

## Choosing a period

You can pick 7, 30 or 90 days.

Short periods react quickly but are noisy; long periods are steadier but slower
to show a change. For micronutrients the longer period is usually more useful:
nobody hits every nutrient every day, and nobody needs to. A longer period also
lifts coverage, because more items means more items with data.

When too few days have been logged, Kallo says so outright rather than drawing a
trend line that means nothing.

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_Source: [https://kallo.fit/en/docs/tracking/nutrition](https://kallo.fit/en/docs/tracking/nutrition) · Last updated: 2026-08-03 · Kallo docs index: [https://kallo.fit/llms.txt](https://kallo.fit/llms.txt)_