<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.wakati wengi wao wakiwa na mawazo ya kama antioxidant, kuna ushahidi zinaonyesha kwamba vitamini e inaweza pia kusaidia kuboresha viwango vya nishati, hasa katika wazee.  <response>: while most of the time considered an antioxidant, there is evidence to suggest that vitamin e can also help improve energy levels, especially in the elderly. 