479KiB, 1172x952, blacks_belong_outside.jpg View SameGoogleiqdbSauceNAO Anonymous Wed 24 Feb 13:37:37 2021 No.12749503 ViewReplyOriginalReport Quoted By: >>12749526 >>12749529 >>12749534 How do I calculate what's the most efficient between taking vitamin D and getting the Pfizer vaccine? (in a way that'd make vitamin D more efficient)
