Guides

A scoop of creatine powder next to a shaker bottle of water

What is creatine? Forms, the 3 g rule and how t...

Creatine is a compound your body makes from amino acids and stores mainly in muscle. As a supplement, creatine monohydrate is the most studied form, and the EU claim applies...

What is creatine? Forms, the 3 g rule and how t...

Creatine is a compound your body makes from amino acids and stores mainly in muscle. As a supplement, creatine monohydrate is the most studied form, and the EU claim applies...

Vitamin D softgels on a windowsill in low winter sun

Vitamin D deficiency in northern Europe: how to...

Vitamin D deficiency is common at northern latitudes because the winter sun is too low for your skin to make much of it. Only a 25(OH)D blood test shows your...

Vitamin D deficiency in northern Europe: how to...

Vitamin D deficiency is common at northern latitudes because the winter sun is too low for your skin to make much of it. Only a 25(OH)D blood test shows your...

A glass of water and two capsules on a kitchen table in morning light

When to take magnesium: morning or evening, wit...

Take magnesium when you will remember it, ideally with a meal. Split large doses between two meals and keep iron and zinc for a different meal.

When to take magnesium: morning or evening, wit...

Take magnesium when you will remember it, ideally with a meal. Split large doses between two meals and keep iron and zinc for a different meal.

Different magnesium supplement forms side by side: capsules, tablets and powders in glass jars

Best form of magnesium: bisglycinate, citrate, ...

No single form of magnesium is best for everyone. Compare the elemental magnesium per daily dose first, then pick a form your stomach tolerates and a format you will take...

Best form of magnesium: bisglycinate, citrate, ...

No single form of magnesium is best for everyone. Compare the elemental magnesium per daily dose first, then pick a form your stomach tolerates and a format you will take...

Brazil nuts, pumpkin seeds and mineral tablets

Zinc and selenium: when to take them, forms and...

You can take zinc and selenium together. Keep the total under EFSA's adult upper levels (25 mg zinc, 255 µg selenium) and take zinc apart from iron.

Zinc and selenium: when to take them, forms and...

You can take zinc and selenium together. Keep the total under EFSA's adult upper levels (25 mg zinc, 255 µg selenium) and take zinc apart from iron.

Orange coenzyme Q10 softgels in a small glass dish

Coenzyme Q10: ubiquinone vs ubiquinol, doses an...

Coenzyme Q10 (CoQ10) is a fat-soluble compound the body makes itself and that is also sold as a food supplement. The EU has authorised no health claim for it, so...

Coenzyme Q10: ubiquinone vs ubiquinol, doses an...

Coenzyme Q10 (CoQ10) is a fat-soluble compound the body makes itself and that is also sold as a food supplement. The EU has authorised no health claim for it, so...