They are made with glucomann (kojac root I believe) which is a soluble fiber and found in many new diet pills. Does anyone know anything about these noodles? Are they any good? Are they worth trying? Will they harm the body in any way?

Here is a link to the product.

Miracle Noodle Shirataki Angel Hair Pasta, 7-Ounce Packages (Pack of 6): Grocery & Gourmet Food