<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.pipi za protini zinaweza kutofautiana kwa kiasi kikubwa kwa gharama na tu kwa sababu ni ghali zaidi, haimaanishi kuwa ni bora kwako au hata ladha bora.  <response>: protein powders can vary significantly in cost and just because its more expensive, doesnt mean its better for you or even tastes better. 