Why do I need calcium and vitamin D as a teen?

You need calcium and vitamin D to ensure proper growth, strong bones, and a robust immune system. Getting this calcium is especially important since, according to Time magazine, the average teen gets 10 to 15 percent of her daily calories from soda and carbonation leaches calcium out of bones. In this way, we are putting ourselves at unnecessary risk for osteoporosis, or bone thinning.

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