C15 Discovery

Metabolomics identified C15 rather than omega-3s as the top predictor of healthy aging in the dolphins. The Navy dolphin population provided a natural comparison group because some aging dolphins developed human-like diseases while others did not. C15 was identified as essential through an accidental discovery involving Navy dolphins. The article says humans obtain C15 mainly from whole-fat dairy, unlike dolphins whose fish diet supplies C15 through heads and skin.