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 Tilt Brush: Painting from a new perspective Are Lasers The Weapons Of The Future? How batteries work Could Anti-gravity Really be Possible? How Far Away Can You Get From Everybody Else? Why Do We Get Bored?