Supplemental Vitamin D levels may not be equivalent to Vitamin D levels acquired through sun exposure and may be a surrogate for overall health rather than a direct intervention for COVID-19.

“don't confuse your vitamin d level that you acquired being in the sun playing sports outside with the vitamin d level that you can get by taking 4000 5000 iu of vitamin d i don't think those are the same i think vitamin d might be a surrogate for health through other means”