维他命的真相
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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.
- 年份
- 2013
- 地区
- 加拿大、美国
- 语言
- 英语
