Set of courses from prehistoric times

• It can help you eat like your ancestors
• Trendy food regimen
• Practice advocated by nutritionist Loren Cordain
• Old/new food regimen
• Its repasts are from the past
• "Caveman" food regimen
• Trendy plan that doesn't explain why Fred Flintstone was overweight
• Wild fruit is a feature of it
• Extremely retro food regimen?

Wiktionary Word definitions in Wiktionary
n. A paleolithic diet; a nutritional plan based on the presumed ancient diet of wild plants and animals that various hominid species habitually consumed during the Paleolithic.