Berberine, a natural compound, lowers a protein called PCSK9 in liver cells by gently reducing two other proteins that help make PCSK9 — and when both of those go down together, PCSK9 drops even more than if only one did.

Berberine, a natural compound, seems to lower a harmful protein (PCSK9) in liver cells much more than you’d expect just from slightly reducing two other helper proteins—like turning off a light by dimming two switches just a little, but the room gets super dark anyway.

Berberine, a natural compound, lowers a specific protein (HNF1α) in the livers of mice and hamsters without changing the gene instructions that make it—so it must be breaking down the protein after it’s made, and that’s how it ends up reducing another protein called PCSK9.

Berberine, a natural compound, helps your liver remove more 'bad' cholesterol from your blood by making it keep more of the receptors that grab cholesterol—kind of like a weaker version of expensive cholesterol drugs.

Berberine, a natural compound, helps lower bad cholesterol in mice and hamsters by turning down a protein (HNF1α) that normally tells the liver to make more PCSK9 — when PCSK9 drops, the liver keeps more LDL receptors to mop up cholesterol from the blood.

In liver cells, two specific DNA switches work together to turn on a gene called PCSK9 — if you break one switch (HNF1), the other one (SRE) can’t do its job properly, even if it’s still intact.