They are both white and they are chock full of protective phytonutrients, vitamins, and trace minerals that aren't easy to find elsewhere in a normal diet... such nutrients as allicin,
quercetin (an
important flavonoid), chromium, and other unique anti-inflammatory nutrients.
Unlike other
important general anti-senescence pathways like Nrf2 induction, NF - kB inhibition, epigenetic interventions or glycation inhibitors, there aren't that many potential levers known at the moment, with the only significant dietary ones being spermidine and the
flavonoids quercetin and kaempferol.