SeltzerConnoisseur t1_iy3dquj wrote
Why in the morning instead of night?
OrigamiMarie t1_iy3gfn2 wrote
Some people (including me) react to vitamin d with wakefulness. It's not quite like caffeine wakefulness, but it sure keeps me from sleeping for like 4 hours after taking it!
RJFerret t1_iy3tkw3 wrote
Meanwhile my doc prescribed a high dose, which I take right before bed, no sleep/wake impact at all. Similarly, my SO was prescribed even higher, no "awakeness" impact.
If you're having a reaction before the substance has even made it to your bloodstream, never mind brain, it's likely not due to that substance, but a placebo effect.
That said, continually taking it results in better consistent levels--rendering it meaningless when it's taken as it's always in your bloodstream in sufficient amounts.
theErasmusStudent t1_iy3up6y wrote
Studies show that this vitamin supresses melatonin, which is the hormone that helps you sleep (as it's produced usually in response to darkness).
Vitamin D is a vitamin we usually get from the sun and doctors always recommend taking vitamin D in the morning.
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