
B12: The great multi-tasker and its importance in the immune system
B12 does seem to have a prophylactic action by supporting the immune system both directly and indirectly. Maintaining adequate levels of this vitamin form a crucial part of a healthy, well functioning immune system.

Vitamin D and the immune system - plus the vitamin you should always supplement alongside
A more in-depth look at Vitamin D and how it supports the immune system, plus another important vitamin you should supplement alongside it.