What Are the Benefits of Cantaloupe Seeds? It scores "very good" for potassium, and "good" for a host of B vitamins (B1, B3, B6, and folate) as well as vitamin K, magnesium, and fiber. When the edible seeds of the cantaloupe are eaten, this melon also provides a measurable about of omega-3 fat in the form of alpha-linolenic acid.