Related Clues:

• Dairy-less diet
• Cave dweller's diet
• Diet that goes against the grain?
• Throwback diet
• Diet whose name means 'ancient'
• Archaeology prefix
• Low-carb kind of diet
• Typically low-carb diet
• Showily deferential
• Diet forbidding processed foods
• Diet that avoids dairy and legumes
• Diet that avoids processed food
• Diet that avoids grains and dairy
• Low-carb "stone age" diet
• "The caveman diet"