The effect of this four-day treatment is comparable to the total change seen after a year of a regenerative treatment described in a landmark study from 2019, which also focused on restoring epigenetic information.

Researchers evaluated age changes using rodent and human transcriptomic clocks, which predict biological age using gene expression data.

“This new discovery offers the potential to reverse aging with a single pill, with applications ranging from improving eyesight to effectively treating age-related diseases,” said Dr. Sinclair.

'Fountain of Youth' pill created by Harvard scientists reverses aging - Earth.com