Nutrition and supplement guides
Plain-English, food-first information to help you make sense of supplements without hype.
Do I Need Vitamin Supplements? A Food-First Guide
A practical food-first guide to deciding whether a vitamin or mineral supplement may be worth considering.
Vitamin D: Food, Sunlight and Supplements Explained
A plain-English guide to vitamin D from food, sunlight and supplements, including important UK and US differences.
How to Read a Supplement Label
Understand serving sizes, ingredient amounts, units, reference values and common claims on UK and US supplement labels.
Supplements and Medicines: Why Interactions Matter
Why supplements can interact with prescribed medicines and when to speak to a doctor or pharmacist before taking one.
Educational information only: These guides do not diagnose a deficiency or replace advice from a doctor, pharmacist or registered dietitian.