Paleo Diet vs Plant-Based & Vegan Diets

Paleo DietGrass-fed beef, chicken, wild-caught salmon, eggs, almonds, walnuts, pumpkin seeds, berries, apples, leafy greens, broccoli, sweet potatoes, olive oil, avocado.

Plant-Based & Vegan DietsLegumes, tofu, tempeh, seitan, whole grains, nuts and seeds; the vegan version fully excludes meat, poultry, seafood, dairy, eggs, and honey.

Paleo DietWheat bread and pasta, rice, oats, beans and lentils, peanuts, milk, cheese and yogurt, table sugar, chips, and packaged snacks.

Plant-Based & Vegan DietsVegan: all animal-derived foods and ingredients. Plant-based (looser): minimizes but doesn’t require full exclusion of meat, dairy, or eggs.

Paleo DietNo specific eating window — restricts food categories, not calories, macros, or timing.

Plant-Based & Vegan DietsNo specific eating window.

Paleo DietGeneral health by cutting processed foods, added sugar, and refined carbs, modeled on ancestral eating.

Plant-Based & Vegan DietsCardiometabolic health, often alongside environmental or ethical motivations.

Paleo DietPeople who feel or perform better cutting out processed foods, added sugar, and refined carbs generally, regardless of whether the ancestral framing itself holds up.

Plant-Based & Vegan DietsPeople motivated by environmental or ethical concerns, or by the cardiometabolic risk reduction the research points to, who are willing to plan meals rather than eat on autopilot.

Paleo DietNone specified — restricts food categories, not macro ratios.

Plant-Based & Vegan DietsNone specified — food-group based, not macro-ratio based.

Paleo DietModest improvements in glucose tolerance (small RCT in people with ischemic heart disease), weight, waist circumference, blood pressure, and lipids in a meta-analysis — evidence the study authors themselves call “not conclusive.”

Plant-Based & Vegan DietsLower BMI, lower rates of type 2 diabetes and heart disease, and lower all-cause mortality in large cohort studies — concentrated in “healthful” plant-based patterns, not ones built on refined carbs and sugar.

Paleo DietLimited/thinner — real but noticeably thinner and shorter-term than Mediterranean or DASH; a supporting meta-analysis had published calculation-error concerns, and the “one ancestral diet” premise has been directly challenged in the scientific literature.

Plant-Based & Vegan DietsStrong cohort evidence (e.g. Adventist Health Study-2, ~73,000 people) though observational rather than randomized for the core mortality/disease claims.

Paleo DietHigh — restricts entire food categories (grains, legumes, dairy) rather than counting anything.

Plant-Based & Vegan DietsVariable — plant-based is low restrictiveness (a spectrum, no full exclusion); vegan is high (full animal-product exclusion).

Paleo DietPaleo-compliant meat, fish, nuts, and produce typically cost more than the grain, legume, and dairy staples it excludes.

Plant-Based & Vegan DietsGenerally less expensive overall than a meat- and dairy-centered diet, since savings from cutting meat and dairy tend to outweigh the added cost of vegetables, whole grains, and plant-based meat substitutes, though reliable access to fresh produce remains a real barrier in areas with limited grocery options.