The answer to your question is
•vitamins
Adolescent females require approximately 2200 calories/day, whereas male adolescents require 2500-3000 calories/day. Additional intake requirements include fat, calcium, iron, zinc, vitamins, and fibre.
Calcium is a nutrient that all living organisms need, including humans, Calcium is a mineral your body needs to build and maintain strong bones and to carry out many important functions.
Thus, vitamins are the answer.
To learn more about vitamins click here:
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