Wales captain Sam Warburton will go into the All Black series on a meagre rugby diet.
He has not played for a month after damaging his shoulder and will miss Wales tour warmup against England this weekend at Twickenham.
"I think this weekend will be too early for Sam," forwards coach Robin McBryde said.
"He is getting much stronger, feeling much better about himself and that is evident in the way he is carrying himself and contributing to the meetings."
Warburton had completed a range of fitness work but was not ready for full contact although lock Alun Wyn-Jones is tipped to return after being out of rugby for almost three months because of a heel problem.