Anxiety is a group of conditions characterised by excessive fears and worries that may be difficult to control.

Valerian may be beneficial for people experiencing difficulty getting to sleep, rather than those experiencing difficulty staying asleep.

B12 is a generic term for a number of related compounds that are essential for the production of fatty acids in myelin and for DNA synthesis.

Andrographis is commonly used to support the immune system and reduce the symptoms of the common cold. It may also be useful for some inflammatory conditions.