Now Foods nutritional yeasts flakes and Real Herbs red yeast rice extract supplement are two of the top rated red yeast rice brands on Amazon, as of 2015. Herbal Actives extended release red yeast rice was also awarded 4.5 stars.
A major point to consider in choosing a good red yeast rice brand is its risk of containing carcinogens. Some other factors to consider include the form the yeast comes in. For example, flakes and powder are easy to mix into food. The release times for red yeast rice capsules, such as extended or immediate release, should also be considered. It is also important to consider the effect the brand has on cholesterol levels.