Urolithin B

Interstellar grade B

Preclinical: Mechanistic, cell or animal evidence. No single preclinical driver opens a pathway on its own.

Appears on 1 blend page, linked below.

The sibling urolithin, B blocks the breakdown of muscle protein while encouraging its synthesis, tilting the balance toward thicker, stronger fiber.

Where it appears

One blend page carries this ingredient. Open it and you will find this ingredient in the list.

• Gainz (Muscle, Strength & Recovery)

Pathways it touches