Abstract: A composition having improved bioavailability, of cryptoxanthin derived from a natural product, particularly that derived from Citrus unshiu Marc known to be rich in cryptoxanthin, and a method for economically and conveniently producing the same are provided. As a cryptoxanthin highly bioavailable oral administration composition, which is a composition comprising natural product-derived cryptoxanthin, wherein the amount of dietary fibers contained in said composition is 400 times by weight or less based on cryptoxanthin, this composition is a composition wherein the bioavailability of cryptoxanthin is improved 2 times or more in comparison with the case of directly ingesting a natural product containing said cryptoxanthin.