Well, that was still my first thought when I hit "without other sources of iron". One bottle per day of Soylent can't fix up the variation in the other 75% of

Well, that was still my first thought when I hit "without other sources of iron". One bottle per day of Soylent can't fix up the variation in the other 75% of your calories. I don't call Wheaties unhealthy for being low on protein, because balanced nutrition has to be calculated across a whole diet. Having said that, it is alarming that Soylent can't possibly be a balanced replacement for everyone. A custom product would have been an interesting possibility for doing that.