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.
更新：
2026-09-08
备注：
HD
豆瓣：维他命的真相
选集播放
选择播放源
无水印资源1