This year, some of us at ISS have been fortunate enough to be working with clients in Europe, “forcing” us to soak up the rays of European summer!
Although technically a hormone and not a vitamin, vitamin D is produced by the body in response to sunlight exposure. Dr Stasha Gominak, a neurologist at the East Texas Medical Center has found that most of her patients had improvement in sleep, but only when vitamin D3 blood levels were between 60-80 ng/ml (which is 2-3 times higher than most official recommended levels).
In order for the majority of people to reach stable levels of vitamin D in this range, daily use of a supplement is required. To absorb vitamin D3 research has shown vitamin K2 is also needed, and are often found together in supplements.
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