Benefits Of Ugli Fruit: Ugli Fruit is a cross between a mandarin orange and a grapefruit. Ugli fruit has several health benefits. It’s conventionally known as tangelo, and this article utilizes the two terms interchangeably.”UGLI” is a brand name that plays on “terrible,” as the natural product doesn’t look especially appetizing. However, the name “ugli organic product” has gotten one of the natural product’s most regular names. This tear molded natural product is bigger than a grapefruit and has a thick, harsh, greenish-yellow skin that strips off without any problem. Its tissue is orange and — like different citrus natural products — isolated into areas by a white, net-like substance called the essence.