The best basic steps for protecting , improving and boosting your immune system to fight the corona-virus.

Vitamin D

As both a hormone and a vitamin, Vitamin D plays a number of important roles in health.

In recent years, people have taken very high doses of Vitamin D with the intention of boosting immunity. But is this an effective tactic? A 2017 systematic review of 25 randomized trials found that taking a Vitamin D supplement seemed to have a mild protective effect against respiratory-tract infections in most people, but provided much greater protection in those who were very deficient in Vitamin D.

If your Vitamin D levels are low, you may have a better chance of staying well if you supplement with 2,000 IU per day (or more, with medical supervision). Many — perhaps even most — people are deficient in vitamin D.

So it’s probably wise to take a Vitamin D supplement right now, especially if you’re at increased risk for COVID-19.

Of course, your body can make Vitamin D on its own when your skin is exposed to sunlight, so try to get some sun whenever you can. How much sun depends on the time of year and your location. A good starting point is 15 minutes of exposure to a large body part (such as the torso or back). Just remember to avoid sunburns, as excess sun exposure carries its own risks.

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