I'm sure that's possible but the chances are it would be more than a vitamin deficiency and the symptoms would lead you to a doctor for treatment - and the results would probably leave the individual looking deformed - for example, if they suffered from Rickets. Aside from that, usually, jaw & nose tends to (I believe) relate more to characteristics genetically in addition to levels of testosterone (of which the levels are regulated by many factors) - and the amount of time required for these characteristics to develop varies on a person to person basis.
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