There are currently 2 names in this directory beginning with the letter I.
instant dry yeast
dry yeast that can be mixed with the flour directly and don't need to be soaked in water prior to the mix
instant yeast
also known as “fast-rising” or “fast-acting” dry yeast, can shorten the rising time in traditional baking by as much as 50%. Instant Yeast is not recommended for use in refrigerated doughs