The definitive comparison Vegetarians do not eat meat. Vegans do not eat any animal products: no dairy, no eggs, no honey. That single difference has wide-ranging implications for health, cost, environment, and daily life. What Can Each Diet Eat? Quick Reference The plant-based spectrum It Is Not Binary -- It Is a Spectrum Most people think of vegan and vegetarian as two fixed options. In reality, plant-based eating is a spectrum with many positions. Most people do not jump from omnivore to vegan -- they move along the spectrum gradually. For a full breakdown of each diet type, what it allows, and who it suits, see our Types of Vegetarian guide . How Vegan and Vegetarian Compare The differences between vegan and vegetarian go beyond what you eat. Here is a summary across the six dimensions that matter most. Slightly better outcomes for heart disease and type 2 diabetes in large cohort studies. B12 supplementation required. Strong health benefits vs omnivore. B12 available from dairy and eggs. More dietary flexibility. Whole-food vegan: $200-300/month. The cheapest diet when built around beans, lentils, and grains. Standard vegetarian: $300-450/month. Dairy and eggs add cost but provide convenient nutrition. 75% lower greenhouse gas emissions than high-meat diets. Dairy farming is a major emissions contributor. Better than omnivore, but dairy and egg production carry meaningful environmental costs. Achievable with planning. Tofu, tempeh, legumes, seitan. Athletes may need protein tracking. Easier via eggs and dairy. Greek yogurt, eggs, and cheese provide high-quality complete protein. Extends beyond diet to clothing, cosmetics, entertainment. Minimises all forms of animal exploitation. Avoids killing animals for food but does not fully address dairy and egg industry practices. More challenging socially and in restaurants. Requires more label-reading and planning. Much easier to maintain socially. Most restaurants have vegetarian options. No label anxiety.

Which diet is right for you? A Simple Decision Framework Ready to make the switch? Our practical transition guide has a month-by-month plan, kitchen staples list, and social scripts for every situation. 11 deep-dive guides Every Angle Covered Every competitor on this topic is a single article within a larger health site. This is a dedicated hub with 11 specialist pages, each targeting a specific question people actually search for. 62% lower diabetes risk for vegans. How do the two diets compare on heart disease, BMI, and cancer? Whole-food vegan: $200-300/month. Vegetarian: $300-450. Where do the costs really differ? Vegan diets produce 75% fewer greenhouse gas emissions. What does the 2023 Nature Food data say? 25+ plant foods with protein per serving, cost per 20g, and complete amino acid profile. Flexitarian, pescatarian, lacto, ovo, vegan. What can each diet eat? Full food matrix. Month-by-month transition plan, kitchen staples list, 10 common mistakes, and social scripts. Full 7-day vegan and vegetarian meal plans with grocery lists and batch cooking guides. What to order at 15 major chain restaurants. Ethnic cuisine guide. Travelling tips. 20 elite vegan athletes across sports. Protein timing, creatine, and performance research. Utilitarian, rights-based, and environmental frameworks. The dairy and egg question explored honestly. Expert-backed guidance on raising healthy plant-based children, age-by-age nutrient guide. Common questions Frequently Asked Questions Sources: Health data from the Adventist Health Study-2 (2013) and EPIC-Oxford cohort. Environmental data from Scarborough et al., 2023 Nature Food. Cost data from USDA ERS Food Expenditure Series. Protein data from USDA FoodData Central. Updated April 2026. Updated 2026-04-27