There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones,that fertilized eggs are nutritionally superior to unfertilized eggs,that untreated grains are better than fumigated grains and the like.

• 声称天然维生素优于人造维生素，受精蛋比未受精蛋的营养价值高，未经过熏蒸消毒处理的谷物比经过处理的好等等诸如此类的报道屡见不鲜，但没有一篇是经过证实的。