"Caveman" food regimen

• Old/new food regimen
• Program with ancient history courses?
• Trendy plan that doesn't explain why Fred Flintstone was overweight
• Faddish food regimen
• It can help you eat like your ancestors
• Regimen that requires early meals?
• Set of courses from prehistoric times
• Its repasts are from the past
• 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.