Common claims about veganism, examined with scientific evidence. We present what the research shows — including where the evidence is uncertain or mixed.
“Humans evolved to eat meat, so a vegan diet is unnatural and unhealthy.”
The Truth:
Meat-eating did play a role in human evolution -- the evidence for this is real and should be acknowledged honestly. However, evolutionary capacity is...
“Eating meat is part of my cultural tradition, so it cannot be wrong”
The Truth:
Cultural traditions are not inherently ethical. Many harmful practices were once traditional. Cultures evolve, and we can honor heritage while...
“Lions eat meat, so it's natural and ethical for humans to eat meat”
The Truth:
Lions are obligate carnivores without moral agency. Humans are omnivores capable of ethical reasoning. We don't base our ethics on lion behavior for...
“Eating meat is natural, so it must be ethical”
The Truth:
This is the "appeal to nature" fallacy. Many natural things are harmful (diseases, violence), and many unnatural things are good (medicine,...
“Vegans kill more animals because harvesting crops kills field animals”
The Truth:
This argument actually supports veganism: animal agriculture requires MORE crops (for feed), causing MORE field deaths, PLUS the intentional deaths of...
““Humans have always eaten meat, so stopping is wrong.””
The Truth:
See also: "Eating meat is natural" for the core rebuttal of the appeal to nature. This page focuses specifically on the appeal to tradition -- the...
““Meat-eating is natural, so it’s okay.””
The Truth:
See also: "Eating meat is natural" for the core rebuttal of the appeal to nature. This page focuses specifically on the ethical and philosophical...
““If you want burgers, you want meat.””
The Truth:
Enjoying a flavor/format (burger, sausage) doesn’t imply you endorse the harms of producing it with animal bodies. People often want the experience...
““I like the taste of meat, so veganism isn’t for me.””
The Truth:
Liking a taste isn’t immoral; the ethical question is whether brief pleasure justifies an avoidable harm to a sentient being. Many people keep...
“Vegan food is too expensive for most people”
The Truth:
The cheapest foods in most grocery stores are vegan: rice, beans, lentils, pasta, oats, frozen vegetables. Specialty vegan products can be expensive,...
“One person going vegan doesn't make any real difference”
The Truth:
Individual choices aggregate into market signals. In the US, approximately 25 land animals and an estimated 220+ aquatic animals are killed per capita...
“We should fix human problems first before worrying about animals.”
The Truth:
Animal agriculture IS a human problem. It diverts enough crops to feed billions of additional people, drives 12-20% of greenhouse gas emissions, fuels...
“Eating meat is a personal choice. Don't tell me what to eat.”
The Truth:
A "personal choice" that kills 80 billion land animals per year, drives up to 20% of global emissions, fuels antibiotic resistance, and exploits...
“You'll never convince everyone to go vegan. It's not going to change anything.”
The Truth:
Every social justice movement in history was told it would never succeed. The vegan movement is one of the fastest-growing in the world — 25.8 million...
“What about hunting? I hunt my own food — that's different.”
The Truth:
Wild game represents less than 1% of US meat consumption, while 99% of farmed animals come from factory farms. If everyone hunted to meet current...
“Veganism is only accessible to wealthy, privileged people and is inherently classist.”
The Truth:
Plant-based staples (beans, rice, lentils, potatoes) are among the cheapest foods globally. A 2021 Oxford study found vegan diets reduce food costs by...