I’m black and was recently prescribed a super high dosage of vitamin D. I live in Vegas and have absolutely no reason to have a deficiency in this desert sun but mine was scary low. When I wake up in the mornings now, I feel content instead of groggy. All of my muscles don’t ache so much that I don’t want to get up out of bed. I’m also recovering from a very bad depressive episode (aka my whole life) and I literally feel like I have energy again. Please give it a look if you’re interested, you can get D2 supplements anywhere.