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Explore what’s in your food, and what it does in your body.

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Nutrition, explained.

Clear answers to the questions behind everyday food choices.

Vitamins · 1 min read

What changes vitamin D in winter?

Why the season changes skin production, and where food fits in.

Minerals · Interactive

How does iron help carry oxygen?

Explore a red blood cell, hemoglobin and the iron within.

Vitamins · 2 min read

Essential vitamins, at a glance

The 13 vitamins, their broad families, and what they do.

Protein · 2 min read

Protein and amino acids

How protein relates to amino acids, essential amino acids, and dietary reference values.

Fats · 2 min read

ALA, EPA, and DHA: three omega-3s

The names, chain lengths, food sources, and conversion limits behind three familiar omega-3 fatty acids.

Hormones · 2 min read

Leptin, ghrelin, and GLP-1

How three hormone signals take part in the larger conversation between gut, fat tissue, and brain.

Vitamins · 2 min read

Vitamin forms and labels

Why a vitamin name can cover several compounds, units, and label conventions.

Hormones · 1 min read

Insulin + glucose

A compact map of how insulin helps regulate glucose movement into key cells.

Minerals · 1 min read

Iron is not absorbed alone

How iron form and the surrounding meal can change non-haem iron absorption.

Food · 1 min read

Everyday foods that contain magnesium

A food-first view of magnesium across seeds, nuts, and leafy vegetables.

Food · 1 min read

What does fortified actually mean?

Why added nutrients in oat drinks are product-specific and label-dependent.

Food · Comparison

Salmon or fortified oat drink?

Two sources of vitamin D, with different things to check.