Insert one comma to separate the coordinate adjectives. yogurt , which is often enjoyed as a tasty nutritious treat, may have some surprising health benefits due to a “good” bacteria known as probiotics

Yogurt , which is often enjoyed as a tasty, nutritious treat, may have some surprising health benefits due to a “good” bacteria known as probiotics.

Explanation:

Adjectives are the words that describe noun in a sentence. There are many types of adjectives.

"Coordinate adjectives" are two or "more than two" adjectives that describe same noun in a sentence. All of them are important to describe that noun. They are separated by a comma in a sentence.

In the given sentence, we separate the two adjectives tasty and nutritious treat with a comma (,). They both are being used for the same noun "Yogurt".

the god   the goddess of salt water, of fresh water   yet more powerful and perfect.