The True Ancestral Diet: What Did Our Ancestors Really Eat?

Ever wonder what your great-great-great-great (you get the idea) grandparents had for breakfast? Spoiler: it wasn’t a bagel with cream cheese. In fact, they probably didn’t even eat breakfast as we know it today.

Our ancestors didn’t have convenience stores, food pyramids, or debates about whether eggs are good or bad this week. They ate to survive, thrive, and fuel their next hunt or foraging trip.

But here’s the thing: what many call an “ancestral diet” today is often just a buffet of modern interpretations.

Is piling up a plate with kale, almonds, and avocado what our ancestors ate? Probably not.

This post will get into what an ancestral diet really means (hint: it’s not just paleo or keto diet).

We’ll compare popular interpretations with what I think actually happened for thousands of years.

Spoiler alert: meat is the star of the show—not a cameo. We’ll also debunk some myths about plants, nuts, and fats along the way.

Interested?

Let’s get into why an ancestral diet can be practical and life-changing if we do it right.

TL;DR: Key Takeaways

• Meat First, Always: Meat, particularly organ meats and healthy animal fats, was the cornerstone of our ancestors’ diet, providing essential nutrients and energy.
• Seasonal Plants Are Supplementary: Fruits and vegetables were consumed seasonally and locally, serving as occasional supplements rather than staples.
• Nuts and Seeds Were Backup Food: Labor-intensive to gather and limited in availability, nuts and seeds were fallback options, not primary dietary components.
• Healthy Fats Are Essential: Animal fats were a key energy source, far surpassing modern industrial fats in nutrient density and health benefits.

The Core of Ancestral Eating: Meat as the Base

When we think of survival in the wild, what comes to mind? For our ancestors, it was hunting—and for good reason. Meat wasn’t just food; it was a lifeline.

Unlike modern diets, which treat meat as a bad guy or an afterthought, our ancestors relied on it as their number one source of nutrition.

And let’s be real: chasing a mammoth sounds like a better workout than waiting in line at the salad bar.

Why Meat Was the Centre of Our Ancestors’ Diets

Meat provided our ancestors with nutrients they couldn’t find elsewhere. Every bite contained protein, healthy fats, and fat-soluble vitamins A, D, E, and K, among other things.

These nutrients fuelled their bodies, sharpened their brains, and gave them the energy to survive in harsh conditions.

But they prized more than just muscle meat. Organ meats—liver, heart, and kidneys—were the superfoods. Modern supplements can only dream of replicating these superfoods, which are packed with vitamins and minerals.

While we might turn our snouts up at the thought of eating liver today, our ancestors knew it was nutritional gold.

Animal-Based Nutrition: The Survival Tool

Our ancestors weren’t counting calories or googling “good sources of iron.” They ate what kept them alive and thriving.

Animal fats provided concentrated energy, perfect for people who didn’t have fridges or snack cupboards. Fat also helps absorb essential vitamins and keeps their metabolisms going.

In short, animal products weren’t just food but survival tools.

Debunking Meat Myths

Fast forward to today, and meat has become the dietary bad guy in some circles. Blame it on misinformation, fad diets, or the rise of ultra-processed plant-based alternatives.

Properly sourced meat (think grass-fed, pasture-raised) is one of the most nutrient-dense foods.

Our ancestors didn’t survive on tofu or oat milk—nor should we if we want to eat like them.

Seasonal Plants: A Secondary Source of Nutrition

While meat was the main event in our ancestors’ diets, plants were the supporting act—and a much smaller one than many people think. Fruits and vegetables were seasonal treats, not everyday staples.

Unlike today’s globalized food system, which allows us to eat bananas in winter and blueberries year-round, our ancestors ate only what was locally available and in season.

Fruits and Vegetables: A Supplement, Not a Staple

Let’s get this straight: While nutritious, fruits and vegetables were never meant to be the base of an ancestral diet. They were supplementary, providing occasional bursts of vitamins and hydration.

For example, berries might have been eaten in summer, tubers in colder months. But these were far from the calorie-dense staples needed for survival.

Modern farming has not only made fruits and vegetables more abundant but also changed their nutritional profile.

The fruits our ancestors ate were often smaller, tougher, and far less sugary than the ones we enjoy today. A wild apple, for example, looked nothing like the large, sweet, and juicy ones we enjoy now.

Problems with Plant-Based Foods

Relying on plants as a main food source would have been a risky strategy for our ancestors. Many plants are naturally hi