Dietician Sarah Keogh joins Brendan to discuss how much protein we really need, and the impact of eating too much or too little and gives her verdict on protein powders and bars.

Brendan O'Connor has all you need for the weekend with time to pause and reflect on the week just gone. Featuring a selection of human interest, consumer and lifestyle stories, as well as keeping you up to date on the news stories that matter. Listen live Saturday and Sunday at 11am - 1pm on RTÉ Radio 1.