alpha-ketoglutaric acid (ketoglutarate, oxo-glutarate). intermediate molecule in the krebs cycle. found to prolong lifespan (in

alpha ketoglutaric ketoglutarate acid kg oxo glutarate keto krebs cycle dietary supplement akg ammonia glutaric longevity worm lifespan age ageing molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula circle circles skeletal line structural