Wild fruit is a feature of it

• Atkins alternative
• Trendy plan that doesn't explain why Fred Flintstone was overweight
• Regimen that requires early meals?
• Its repasts are from the past
• Practice advocated by nutritionist Loren Cordain
• Program with ancient history courses?
• "Caveman" food regimen
• Faddish food regimen
• Trendy 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.