Half of the patients took six capsules of red yeast rice daily for six months , and the other half received identical placebo capsules . Red yeast rice may be an option for patients with age - related muscle pain . Supplement may cause pain for some patients ; is not FDA regulated . Red yeast rice is derived from a fungus that grows on yeast .
Red yeast rice may be an option for patients with age - related muscle pain . Supplement may cause pain for some patients ; is not FDA regulated . Red yeast rice is derived from a fungus that grows on yeast .