When rat liver cells are treated with a specific amount of sodium acetate, it turns on a key energy-sensing switch in the cells within a few hours.

Treating rat liver cells with acetic acid seems to turn on a key energy-sensing protein more strongly when you use higher amounts or leave it on longer.

Acetic acid turns on a key energy sensor in liver cells, which tells the body to start using stored energy.

Acetic acid helps liver cells burn fat and stop making too much fat, but only if a key switch in the cell called AMPKα is turned on. If that switch is blocked, acetic acid doesn’t work anymore.

In liver cells from rats, blocking a key energy sensor called AMPK stops acetic acid from changing fat levels and fat storage — suggesting that acetic acid needs this sensor to work.

Acetic acid helps reduce fat buildup in rat liver cells, and this only happens when a specific energy-sensing pathway (AMPK) is working — if you block that pathway, the effect goes away.