The NHS has said: "Everyone over the age of 1 year should have 10 micrograms (mcg or µg) or 400 international units (IU) of ...

Highbrow Hippie is a new line from Julia Roberts and Meghan Markle’s colorist, Kadi Lee, targeting hair loss and thinning.

As a colorist, Kadi Lee works with Julia Roberts, Gwyneth Paltrow and more stars. Now she and business partner Myka Harris ...

Vitamin B12 is an essential nutrient found in a wide variety of foods. Learn more about the best food sources of vitamin B12 ...