D-Ribose

The recommended D-ribose dose for arrhythmia relief is 5 grams taken 2–3 times per day. Adding D-ribose to caffeinated drinks tends to counteract the palpitations and jitteriness caffeine causes. D-ribose is a naturally occurring sugar that serves as a precursor and building block for cAMP. D-ribose may bypass damaged cardiac pathways and improve myocardial cell physiology by supplying raw material for cAMP synthesis. Exceeding 5 grams per dose risks gastrointestinal side effects including gas and diarrhea. D-ribose has applications beyond arrhythmias, including reducing angina, post-exercise muscle cramps, fibromyalgia symptoms, and chronic fatigue.