Soylent founder Rob Rhinehart on original recipe side effects When Rob Rhinehart first tested Soylent, he was faced with some unusual side effects. Since his resources were limited, he had to test his product on a guinea pig — himself. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts What $315 Billion Worth of Gold Looks Like First major shift of human evolution Can Humans Alter Probability Through Thought Alone? Osmium – The Rarest Naturally Occurring Element What $1 DOLLAR WILL BUY You Around The World? What Will The Internet Look Like In The Future?