There’s no shortage of nutritional advice out there, and many experts tell us entire food groups are bad. Vegans advise against animal products, while carnivore followers warn against grains and legumes. Yet, leafy greens seem to be universally praised. When it comes to greens, the more you eat, the better off you are, right? Not necessarily. Compounds called oxalates in leafy greens and other foods might make us think twice about how much we eat. What Are Oxalates? Oxalates (oxalic acid) are natural compounds found in many plant foods but are also produced as a waste product by the human…