India, June 21 -- The National Smoothie Day is being celebrated on Saturday, June 21, and smoothie lovers across the United States have a special reason to smile. Kicking off the first day of summer in style, this is the occasion for families and friends to come together and enjoy food.

Whether you love a drink full of leafy greens or enjoy a classic strawberry-banana version, there's a smoothie for everyone.

On National Smoothie Day, restaurants and food chains across the country are offering special deals. These include buy-one-get-one deals as well as discounts and extra loyalty member points.

According to USA Today, here's what brands like Smoothie King, Jamba Juice, and Tropical Smoothie Cafe are offering:

Planet Smoothie

VIP Re...