1. How much protein do you really need?  The Economist
  2. What’s protein, why do we need it, and how do you get more?  RNZ
  3. The towering inferno – 4 Jun 2025 – Runner’s World UK Magazine  Readly | All magazines – one magazine app subscription
  4. Protein: how much protein the human body needs  diabetes.co.uk
  5. What’s the Right Amount of Protein for Runners? Scientists Finally Weigh In  Men’s Journal