Food intake regime (4)
I believe the answer is:
diet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">food intake regime</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for diet that I've seen before include "Food intake regime" , "Restriction of food intake" , "Restrict food-intake" , "provisions" , "Fast - food - convention" .)