Beauty supplements have a headline nutrient, and it's biotin. It's on the front of every jar, it's what people search for, and it gets the credit for anything good that happens to your hair. Meanwhile, two minerals sit further down the label doing an enormous amount of quiet work. Zinc and selenium aren't glamorous. They're[…]

There's a particular flavour of British summer frustration: it's half ten at night, you have work in the morning, and it's still broad daylight outside. You're tired. You're just not sleepy. Those are two different things, and the gap between them is where a lot of summer sleep goes to die. The good news is[…]

Most nutrition advice comes with caveats and counter-arguments. B12 doesn't. It's one of the very few points where plant-based dietitians, the NHS and the Vegan Society all say the same thing: if you're not eating animal products, you need a reliable source, and food alone probably isn't it. That's unusually clear-cut for this field, so[…]