Take your Vitamin D. It's the most powerful steroid hormone in the human body. Personal anecdote: Since I've started taking 10,000 to 20,000 IU a day I haven't

Take your Vitamin D. It's the most powerful steroid hormone in the human body. Personal anecdote: Since I've started taking 10,000 to 20,000 IU a day I haven't gotten a severe cold or flu (viral or otherwise). Only a sniffle once or twice a year. Link for nerds, from the man who coined the term "Spyware": https://www.grc.com/health/vitamin-d.htm https://www.grc.com/health/vitamin-d.htm