Multi #18: Covering some of the B vitamins this week, starting with Vitamin B-1 - Thiamin!

Vit D and Covid-19: https://www.sciencedirect.com/science/article/pii/S0960076020302764?via%3Dihub&utm_campaign=Chris%20Kresser%20General%20News&utm_medium=email&_hsmi=94616504&_hsenc=p2ANqtz-9n1vcPjifg6RzBSMlvGNA6PRrgo0jmliL30k35YbM1tXfI5T2hXEHl3dS85oUYGnWzKvm8ioAFCTT_1eAsvuwQYSHnBA&utm_content=94616504&utm_source=hs_email