105 Covid has hit my home... posted 5 years ago by Learner1 5 years ago by Learner1 +105 / -0 127 comments share 127 comments share save hide report block hide replies
I work for a vitamin company. I take about 5000 IU with 2+ hours of sun light daily. Most adults should be able to handle 5-10K IU. The FDA recommended levels for most vitamins are way too low.