Journal

Notes from two moms who got tired of guessing.

Nutrition science, parenting lessons, label breakdowns, and practical recipes from Lina & Stanislava. No clickbait. No fluff. Just the kind of information we wanted ourselves.

12 mg, the adult ceiling for B6 after 2023. A B100 sits well above it
Sep 2, 2026 · parents · 5 min read

How much is too much? EU upper limits, nutrient by nutrient

The ceiling is a daily total from every bottle, not one lid. B6 was cut to 12 mg for adults in 2023. Zinc, vitamin D, and when not to add a second product.

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10% of the iron in food is absorbed before age eleven
Aug 19, 2026 · kids · 4 min read

Iron in children: the one nutrient not to guess at

Why iron behaves unlike any other nutrient, how little is actually absorbed, and why supplementing should follow a blood test, no...

3 months before you can reasonably conclude anything
Aug 17, 2026 · adults · 4 min read

How long does a multivitamin take to work?

Most people feel nothing, and that is normal. What actually changes, over what timescale, and what to do if nothing has after thr...

10 to 15: times a child may need to see a food before tasting it
Aug 12, 2026 · kids · 5 min read

My child won't eat: what helps, and what isn't worth trying

Refusing new food between 2 and 6 is a normal developmental stage. What actually helps, what makes it worse, and when it's worth ...

Multiply by 40 to turn micrograms into IU, which is why two vitamin D labels never look alike
Aug 10, 2026 · kids · 7 min read

How much vitamin D does a child need? A guide by age

What EFSA recommends at each age, what counts as too much, and how to convert µg to IU so you can read any label, including Irish...

10 to 1, which is what the EU reference values already are before anyone picks a ratio
Aug 6, 2026 · adults · 5 min read

Zinc and copper: why one of them goes missing

Zinc and copper compete for the same route into the body. What that means over months, why the ratio everyone quotes has no offic...

4 situations where a gap is genuinely likely, and a parent can see all four
Aug 6, 2026 · kids · 5 min read

Are multivitamins necessary for children?

For most children eating a reasonably varied diet, no. The cases where one genuinely helps are specific, and there is a better ap...

13 mg of iron a day once periods start, against 8 mg before
Aug 5, 2026 · parents · 6 min read

Iron and teenage girls: what changes, and what to ask for

Iron requirement rises by more than half at menarche and stays raised. The EFSA numbers, why a multivitamin is the wrong tool, an...

1.4 kg of sugar a year, from two gummy vitamins a day
Aug 5, 2026 · kids · 6 min read

Powder, gummies, tablet or syrup: what's the actual difference?

The four ways to give a child vitamins, compared on what matters: sugar, dose, what physically fits in each format, and whether y...

Absorption matters more than dosage, which is the part most labels leave out
Mar 25, 2026 · parents · 3 min read

The ‘Healthy Family’ Illusion — What Most Parents Miss

Even families eating well are quietly running low on vitamin D, magnesium, and iron — here's why modern food has changed the equa...

Not how much: the dose on the front matters less than the form behind it
Feb 17, 2026 · supplements · 3 min read

Not All Multivitamins Are Created Equal: What Actually Makes One Work?

4%, the bioavailability some estimates give magnesium oxide
Jan 19, 2026 · supplements · 6 min read

What Does "Bioavailability" Actually Mean? (And Why Should You Care?)

You've probably seen "bioavailable" on supplement labels—but what does it actually mean? Here's the simple explanation, and why i...

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Nutrition research, recipes, and parenting experiments from the founders.