Formulas built for a specific age
Men over 50 are a distinct segment here. Products aimed at that group usually adjust mineral amounts and swap in different botanicals, and they say so on the front panel. Younger men's formulas tend to lean on the standard vitamin and mineral base with fewer changes.
This matters when you compare two shelves side by side. A formula designed for one age group is not automatically right for another, and the label almost always tells you which group the brand had in mind. If you are unsure which side of that line you sit on, that is a question worth putting to a qualified professional rather than guessing from the packaging.