The diet is based around low-fat, high-fibre food and limiting red meat, alcohol, and processed food. When it was launched, the diet was considered radical, but its precepts are now considered largely in alignment with mainstream nutritional advice. Gastroenterologist
David Hershel Alpers and colleagues described the Pritikin diet as "nutritionally adequate, but the low fat content makes it unpalatable, and the likelihood of compliance is low." == See also ==