You may want to check the full ingredients list to make sure none of the ingredients cause you problems.
Benefibre Ingredients:
Wheat dextrin, sorbitol, corn starch, microcrystalline cellulose, dextrates, citric acid, natural and artificial flavor (soy), magnesium stearate, silicon dioxide, sucralose, aspartame, acesulfame potassium, red 40 lake, yellow 6 lake, blue 1 lake. Gluten-free (less than 20 ppm gluten)