Welcome to Men's health community forum. Scientifically, well there are no real evidences that the penis size can be enlarged through medications or exercises. The size of the penis can grow during puberty
but once the puberty ceases the size is fixed. Surgical corrections on a bent penis
or a deformed penis can make penis size appear bigger, but no increase in actual size is possible. So my answer to your query if enlargement of penis is possible is a clear no.