Is supplements which contain citrulline malate fine for 16 years old person or it will has any side effects on height or kidneys or livers or bones?

Nobody really knows: Such supplements are not studied enough by researchers because these supplements are not fda-approved drugs for treating particular disorders. Nobody knows for sure what may happen if a teen takes performance-enhancing supplements. So, it is best for all young athletes to train and build their bodies the natural way, with healthy foods, avoiding sports supplements or body-building supplements.