B vitamins have multiple roles in your body that you need to get through your diet. Here's how you can boost your vitamin B levels through food and supplements.

Are they getting what they need? See if your child or teenager would benefit from taking vitamins.

Folic acid is not just for the pregnant as it holds many health benefits. Find out the different skin benefits they hold and popular beauty products with them.

From U&E blood tests to benefits, our detailed guide covers all you need to know about electrolytes, including what they do and food sources.

Discover the benefits of fibre supplements. Learn about different sources of dietary fibre (roughage) and how supplements can help you meet your daily goals.

Are you looking to boost your iron intake through your diet? Here you'll find the best iron-rich foods, including fruits, vegetables, meats, and more.

Collagen is helpful in providing aid for a number of skin problems - for both your body and face - such as scarring, stretch marks and wrinkles.

Stuck on where to start with collagen? Get inspiration from our customer favourites! Versatile powder, sweet snack, or vegan collagen – we’ve got it all.

From playing a pivotal role in maintaining healthy bones to helping fight off viruses, learn the benefits of taking vitamin D supplements from our guide.

Discover everything you need to know about vitex agnus castus (chasteberry) including the benefits, dosage, side effects and supplements.

How does ashwagandha benefit men's health? From enhancing muscle growth and testosterone levels to boosting your sex drive, learn more from our guide.

Heard about CBD oil and want to give it a go? Read our guide on the best CBD oils we sell here at Holland & Barrett and read real customer reviews to see which CBD oil could be most suited to you.