These nutrients are integral in supporting the health of adrenal glands and naturally managing cortisol levels. B Complex vitamins support our adrenal glands and nervous system, to help deal with ongoing stress. Interestingly, we use up Vitamin C a lot faster when we are stressed. These are water soluble vitamins that need to be replenished daily, through the diet but often through supplementation. Magnesium as a much-needed mineral, aids by calming and supporting the nervous system, supporting sleep, managing stress levels and maintaining energy production.