The Beginner's Guide to Going Vegan

Going vegan is mostly a series of small grocery decisions, repeated until they are habits. You do not need to get everything right in week one. You need to cover a few nutrition basics, keep some easy meals on hand, and not quit over a mistake that has an obvious fix. That is what this guide is for.

If you would rather just start cooking, jump to the 30-day meal plan and come back here when a question comes up. Otherwise, read on.

The nutrition that actually matters

A vegan diet built on whole foods covers almost everything your body needs. The major dietetics bodies agree: the Academy of Nutrition and Dietetics holds that well-planned vegan diets are healthful and adequate for every life stage, including pregnancy, infancy, and athletic training ([Academy of Nutrition and Dietetics 2016](/science/and-2016/)). The word doing the work there is "well-planned," and it comes down to a short list.

Vitamin B12: the one true supplement

This is the only nutrient that requires a deliberate choice. B12 is made by bacteria, not plants or animals; animals get it from their food and supplements, and you can get it directly. The NIH puts the adult requirement at 2.4 micrograms a day and notes that vegans who do not supplement are at real risk of deficiency ([NIH Office of Dietary Supplements](/science/nih-b12/)). Take a B12 supplement (a cheap weekly high-dose tablet works) or eat reliably fortified foods every day. Do not skip this one.

Protein

The question every new vegan gets asked, and the one with the least to worry about. You need roughly 0.8 grams of protein per kilogram of body weight a day, more if you are an athlete or older. Hit your calories with a reasonable variety of plants and the protein follows: lentils, tofu, tempeh, beans, edamame, soy milk, nuts, seeds, and whole grains all carry it. The old idea that you must combine proteins at each meal to make them "complete" is not how it works; eat varied food across the day and your body handles the rest. The full protein guide walks through the numbers.

Iron, calcium, and omega-3

• Iron. Plenty in lentils, beans, tofu, and dark leafy greens. Plant iron is absorbed less easily than the iron in meat, so pair it with vitamin C (a squeeze of lemon, tomatoes, peppers) and that gap mostly closes.
• Calcium. Fortified plant milks, tofu set with calcium, tahini, and leafy greens like kale and bok choy. A fortified soy milk gives you about as much per cup as dairy.
• Omega-3. Ground flaxseed, chia, walnuts, and hemp seeds cover the plant form. If you want the forms found in fish, an algae-based supplement provides them directly, which is in fact where the fish get theirs.

Stock a pantry once

A stocked pantry is what makes a weeknight vegan dinner a ten-minute job. Buy these once and they last:

• Proteins: dried or canned lentils, chickpeas, black beans, firm tofu, peanut butter.
• Grains: rolled oats, rice, pasta, whole-grain bread or tortillas.
• Flavor: soy sauce or tamari, nutritional yeast, kala namak (black salt) for eggy tofu, curry powder, cumin, paprika, garlic, onions.
• Fats and extras: olive oil, tahini, ground flaxseed, chia seeds, canned coconut milk, canned tomatoes.
• The non-negotiable: your B12 supplement.

The shopping lists break this down by week, and the substitution guide tells you what to grab instead of milk, eggs, and cheese.

Keeping it cheap

Vegan eating is as cheap or expensive as you make it. The cheapest, most nutritious foods on the shelf are plants: dried lentils and beans, oats, rice, potatoes, and seasonal vegetables cost a fraction of meat and dairy. The expensive items are the branded meat and cheese substitutes, which are useful as a bridge but not where your money has to go. Cook in batches, freeze in portions, and lean on the staples. A week of the meal plan runs roughly 55 to 80 dollars for one person.

Eating out and social situations

• Most cuisines have you covered. Indian, Thai, Middle Eastern, Ethiopian, Mexican, and Italian kitchens are full of naturally vegan dishes. Look there first.
• Ask simply. "Do you have anything vegan?" gets a better answer than a list of ingredients. Most kitchens know.
• Eat before, if it helps. For an event where you are unsure, a snack beforehand takes the pressure off.
• Skip the debate. You are not obligated to justify your plate at dinner. "I'm good, thanks" is a complete sentence.

The mistakes that trip up beginners

• Forgetting B12. The single most important point on this page. Supplement it.
• Not eating enough. Plants are less calorie-dense, so a portion that filled you on a meat diet may not now. Eat more volume, and include calorie-dense foods like nuts, seeds, and avocado.
• Trying to be perfect on day one. Replacing your three most-eaten foods is more durable than overhauling everything at once and burning out.
• Living on substitutes. Branded vegan junk food is still junk food. Build meals on whole plants and keep the packaged stuff occasional.
• Bland food. Almost always an under-seasoning problem, not a vegan problem. Salt, acid, and umami (soy sauce, nutritional yeast, miso) fix most of it.

That is the whole foundation. The fastest way to make it real is to start the meal plan. Curious about the health evidence behind all this? The Health section covers what the research shows, with sources.