Source Naturals D-Ribose, 60 Tablets, 1000 mg

During strenuous exercise, large amounts of ATP, the body's primary energy-carrying molecule, can be depleted in heart and skeletal muscle cells. d-Ribose is a simple sugar that is used by the body to synthesize nucleotides, ATP, nucleic acids, and glycogen.
Features of Source Naturals D-Ribose
Helps support energy production in the heart and muscle
Helps promote muscle recovery following exercise
Helps decrease free radical production during exercise