There haven't actually been any studies done this supplementary vitamin.
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By giving their adolescent Cherifer PGM 10-22, mothers will think that it will immediately enhance their child's growth. But if you actually read the article on intermed.ph, you can see that it states that a balanced diet containing the basic food groups, and enough exercise and rest is essential, in order for the body to reach it's full potential. Athletes are usually stockier and taller due to their fitness state. You can't really compare an athlete to let's say, a bookworm. Their physical fitness would not quite be the same because of their activities.
A sound conclusion could be that although Cherifer PGM 10-22 may not be actually the reason for growth but it could be a possible contribution to an adolescent's better growth, provided that he/she is given a balanced diet, good exercise and enough sleep.