影视简介
Weallthinkweknowaboutvitamins–andwe’retoldthey’reessential–butwhydoreallyneedthemandwhycan’tweproducethemonourown?Theseareafewquestionsonthemindofintrepidfilmmakerandhealth-freakBryceSagewhotravelsfromWashingtonDCtoSanFranciscotogettothebottomofthevitaminmystery.
