From Haaland’s ‘Viking diet’ to Chhetri’s vegetarianism: How nutrition works for elite footballers

Sunil Chhetri switched to a vegetarian diet eight years ago on medical advice to aid recovery.

Chhetri learned about sports science during spells in England and the United States, finding it ahead of India.

Erling Haaland consumes a 6000-calorie 'ancestral' diet, which Chhetri says works for his size but not for smaller players.

Chhetri persuaded teammates like Sandesh Jhingan to focus on diet, changing perceptions in the dressing room.