Starting out: the first month without wrecking it

People give up in the first month for a small number of reasons: they are hungry, the food is boring, they feel unwell, or it has become socially impossible.

All four are addressable.

Do the B12 first

Before anything else. Buy a supplement and start taking it.

It is the one thing that genuinely cannot wait and the one thing most likely to be forgotten. Covered in detail elsewhere on this site.

The hunger problem

The commonest reason people abandon it.

Removing meat from a plate and replacing it with nothing leaves a meal that is low in protein and fat and high in volume, which empties from the stomach quickly.

The fix: every meal needs a substantial protein source, a starch, and fat. Not a garnish of chickpeas — a proper portion.

If you are hungry two hours after eating, that is the diagnosis.

The digestive adjustment

A sudden large increase in fibre causes bloating and wind. This is normal, it is not an intolerance, and it settles over a few weeks as gut bacteria adapt.

To reduce it:

Increase fibre gradually rather than overnight.

Drink more water, since fibre without fluid makes things worse.

Soak and thoroughly cook legumes, and discard the soaking water.

Use spices traditionally paired with pulses — cumin, asafoetida, ginger, fennel.

Eat legumes regularly rather than occasionally, since adaptation is what resolves it.

People who conclude they cannot tolerate beans after one uncomfortable evening are generally people who ate a large quantity for the first time in years.

Learn five meals properly

The single most useful piece of practical advice.

Do not attempt a completely new repertoire. Find five meals you genuinely like, that you can cook without a recipe, and make them repeatedly until they are automatic.

Then add more slowly.

People who try to cook something new every night from a book burn out within a fortnight.

Useful candidates: a lentil soup or dal, a curry with chickpeas, a pasta with beans and greens, a tofu stir-fry with rice, and a substantial salad-and-grain bowl with a proper dressing.

Adapt what you already cook

Easier than learning from scratch.

Chilli with beans instead of mince. Bolognese with lentils or textured soy protein. Curry with chickpeas. Stir-fry with tofu. Shepherd's pie with green lentils.

The cooking method and the seasoning stay the same, which means the food tastes familiar.

The store cupboard

Getting this right removes most of the friction.

Tins: chickpeas, black beans, kidney beans, butter beans, chopped tomatoes, coconut milk.

Dry: red and green lentils, rice, pasta, oats, a couple of other grains.

Fridge and freezer: firm tofu, frozen peas, frozen spinach, frozen edamame.

Flavour: soy sauce, miso, tahini, nutritional yeast, tomato purée, vinegar, lemons, good olive oil, dried chillies, cumin, coriander, smoked paprika, garlic, ginger, stock.

Texture: nuts, seeds.

With that cupboard you can produce a good meal from nothing.

The flavour gap

Meat provides umami, fat and salt by default. Removing it without replacing them produces food that tastes flat.

Deliberate umami is the answer: mushrooms, tomato purée cooked until it darkens, soy sauce, miso, nutritional yeast, olives, capers, dried mushrooms, fermented things, and browning everything properly.

Salt properly. Use acid. Do not fear oil.

The social problem

Frequently the hardest part and the least discussed.

Eating out: check menus in advance, ring ahead, and be relaxed about it. Most restaurants can manage something with notice.

Other people's houses: tell the host in advance, offer to bring something, and do not make it a performance. Hosts are generally happy to accommodate someone who makes it easy.

Family who disapprove: the most reliable approach is not to argue about it. Answer questions briefly, do not evangelise, and let the food speak.

People who make it a moral position at the dinner table have a harder time than people who simply eat what they eat.

Do not aim for perfect

The all-or-nothing framing causes more failure than anything else.

Someone who eats plant-based most of the time, indefinitely, achieves more than someone who is perfect for six weeks and then stops entirely.

If your goal is health or environmental impact, a substantial reduction sustained for years beats a total change abandoned in March.

What to get checked

Not urgent in the first month, and worth doing within the first year.

A full blood count and ferritin. Vitamin B12, ideally with methylmalonic acid if there is doubt. Vitamin D. Thyroid function if you have symptoms.

Not because a plant-based diet causes problems, but because deficiencies are common in the general population and knowing your baseline is useful.

General information rather than individual advice. Anyone with a medical condition, or who is pregnant, breastfeeding or feeding a child on a plant-based diet, should consult a registered dietitian.