Both Ensure and Boost shakes may cause side effects, such as constipation, nausea, and flatulence. However, user reports indicate that most of them go away when consumed consistently. Other reported side effects include muscle cramps, irregular heartbeat, and shortness of breath.

Get the extra protein you need and reward yourself with the delicious taste BOOST^® High Protein balanced nutritional drink. As a balanced nutritional drink or mini-meal , it's a convenient way to fuel up and help support your active lifestyle.

BOOST^® drinks may be consumed with meals, or as a snack or mini-meal, and may be consumed more than once a day. A general guideline is up to three bottles per day so that you may enjoy a variety of other choices in your diet.

The drink helps release energy from food, which ensures that the cells of your body work efficiently, thus building strength and making the body more active. Protects the cells of the body from excess damage. Maintains bone and muscle health, thus promoting proper growth in children.