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sethnintendo said:
Yea one should be able to get enough vitamin D from sun. You can get some through food but main source would be sun. Understand older people and perhaps people with dark skin might not absorb much. I've never heard of too many people in developed nation's having vitamin D deficiency.

So vitamins are mostly a scam? I'm not against believing that, afterall money > people's lives, it's just interesting. My parents made me take vitamins when I was a kid, but I stopped and haven't had any problems in regards to vitamin D. I have dark skin and rarely go outside too.