Back to Library

Paleo diet

Updated 3/12/2026
7.8Rating
Cardiovascular
Blood sugar
Diabetes
Prevention
Inflammation
Metabolism
Digestion

Research Summary

What it is?

The Paleolithic or "Paleo" diet is an eating pattern modeled after the presumed diet of early human ancestors from the Paleolithic era. The core philosophy suggests that human genetics have not fully adapted to the modern diet that emerged after the Agricultural Revolution. Therefore, the diet emphasizes whole, minimally processed foods that could be hunted or gathered

  • Included: Lean meats (preferably wild or grass-fed), fish (especially those rich in omega-3s), eggs, fruits, non-starchy vegetables, nuts, seeds, and healthy oils
  • Excluded: Grains, legumes, dairy products, refined sugars, excess salt, and highly processed foods.
Mechanism of Action

The Paleo diet works primarily by shifting food choices away from calorie-dense, nutrient-poor processed foods toward highly satiating, nutrient-dense whole foods

  • Satiety and Weight Management: By focusing on high-fiber vegetables, healthy fats, and high-quality proteins, the diet naturally promotes satiety, which makes caloric restriction easier and leads to weight loss
  • Metabolic Health: Eliminating refined carbohydrates, high-glycemic foods, and added sugars helps stabilize blood glucose levels and improves insulin sensitivity
  • Inflammation Reduction: Replacing processed seed oils and refined foods with omega-3-rich fish, antioxidant-rich fruits and vegetables, and healthy fats can help reduce systemic markers of inflammation
  • Cardiovascular Markers: By eliminating processed junk food and emphasizing lean proteins and healthy fats, many followers experience improvements in cardiovascular risk factors, such as reduced triglycerides and lower blood pressure.
Benefits & Risks

Key Benefits

The primary benefits of the Paleo diet include

  • Emphasizes Whole Foods: Drastically reduces the intake of highly processed foods, refined sugars, and artificial additives
  • Improves Metabolic Markers: Clinical trials show modest but significant improvements in blood pressure, triglycerides, and cholesterol
  • Supports Weight Management: High protein and fiber intake naturally increase satiety, making it easier to manage weight without strict calorie counting
  • Reduces Blood Sugar: Low-glycemic food choices help stabilize glucose and improve insulin sensitivity, benefiting those with or at risk for type 2 diabetes.

Considerations

The primary downsides and risks of the Paleo diet include

  • Nutrient Deficiencies: Excluding dairy, whole grains, and legumes can increase the risk of calcium, vitamin D, and B-vitamin deficiencies, potentially impacting bone health over time
  • Restrictive and Hard to Maintain: The strict elimination of entire food groups makes the diet challenging to sustain socially and practically in the long term
  • Cost and Accessibility: Relying heavily on fresh organic produce, grass-fed meats, and wild-caught seafood can be prohibitively expensive for many
  • Environmental Impact: A high meat intake generally carries a larger carbon footprint compared to more plant-forward or flexitarian diets.
Application & Dosage

To safely and effectively follow a Paleo eating pattern based on up-to-date nutritional science, consider the following recommendations

  • Focus on Plants: Make non-starchy vegetables the foundation of your meals. The diet should be plant-centric rather than excessively meat-heavy to ensure adequate fiber and micronutrient intake
  • Monitor Nutrient Gaps: Because dairy is excluded, actively seek out alternative sources of calcium and vitamin D (e.g., dark leafy greens, bone broth, or high-quality supplements) to protect bone health and prevent deficiencies
  • Choose Proteins Wisely: Opt for lean meats, poultry, and sustainably caught seafood over processed meats or excessive amounts of fatty red meat to mitigate long-term cardiovascular risks associated with high saturated fat intake
  • Personalize Your Approach: Strict adherence isn't mandatory. A "modified Paleo" approach that occasionally includes high-quality dairy, whole grains, or legumes might be more sustainable, affordable, and nutritionally balanced for long-term health.
The information provided is NOT medical advice. Always consult with a healthcare professional.

Community Experiences

No posts about Paleo diet yet. Be the first to share something!

The information provided on this page is NOT medical advice. Please consult a doctor before using a product or making lifestyle changes.