Its repasts are from the past

• "Caveman" food regimen
• Set of courses from prehistoric times
• It offers courses of ancient history
• Trendy plan that doesn't explain why Fred Flintstone was overweight
• Program with ancient history courses?
• Trendy food regimen
• Old/new food regimen
• Atkins alternative
• Wild fruit is a feature of it

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.