I'm deficient even AFTER taking 5000 iu's. I added a multi w/ 7500, figure I'll maybe add some more if I get covid. I had gastric sleeve though, so I have some

I'm deficient even AFTER taking 5000 iu's. I added a multi w/ 7500, figure I'll maybe add some more if I get covid. I had gastric sleeve though, so I have some absorption issues.