We all think we know about vitamins – and we’re told they’re essential – but why do really need them and why can’t we produce them on our own? These are a few questions on the mind of intrepid filmmaker and health-freak Bryce Sage who travels from Washington DC to San Francisco to get to the bottom of the vitamin mystery.
饮食均衡最重要，不过如果日常晒太阳少了，补充维生素D还是很有必要 @2020-07-08 16:48:33
VC 我也是在生病前兆就丢一颗，好转就放下
拍的很好玩儿，只想知道怎么补维D～
感觉看了一集废话文学
陈列的方式略有点混乱 看完的理解还是 吃的越杂越好 种类丰富才能营养齐全 不要盲目补充维生素 少交智商税 少给狗子买营养品保健品…