[Question] Do you feel run down and/or are you experiencing a weakened state of immunity? [Response] Yes____ No____ [Feedback for Yes Answers] 
Feeling run down and/or in a weakened state of immunity suggests that multiple nutrient deficiencies may be a factor. Studies reveal that supplementation with certain antioxidant vitamins, as well zinc and selenium can bolster immune function in older subjects and in those with certain types of compromised immune function