These D-Ribose tablets by Life Extension are formulated to support cellular energy production and overall vitality. D-Ribose is a naturally occurring sugar that serves as a fundamental building block for the body's energy molecules, most notably Adenosine Triphosphate (ATP). Incorporating these tablets into your daily routine can assist in maintaining healthy heart function and supporting recovery after physical exertion. As a vegetarian formulation, this product aligns with various dietary preferences.