A high-protein meal plan for weight loss, sized to you

What does a high-protein meal plan for weight loss look like?

A high-protein meal plan for weight loss is a normal, varied menu in which every meal is built around a protein source, half the plate is vegetables, and carbohydrate portions are sized to your calorie target. It is not a no-carb or juice plan.

Here is day 1 from the sample journal, for a 34-year-old woman, 166 cm and 78 kg, moderately active, aiming for about 0.5 kg a week. Her target is 1,750 kcal and 120 g of protein. All weights are cooked or ready-to-eat.

How many calories should I eat in a calorie deficit?

Estimate maintenance calories, then subtract 275–825 kcal a day depending on how fast you want to lose. The plan estimates resting energy with the Mifflin–St Jeor equation (Mifflin et al., 1990): 10 × weight in kg + 6.25 × height in cm − 5 × age, then +5 for men or −161 for women. It multiplies that by an activity factor to get maintenance.

The deficit is capped at 25% of maintenance, and target calories never go below 1,200 kcal for women or 1,500 kcal for men. Expected loss uses the common approximation of about 7,700 kcal per kg of body fat. Real loss varies week to week with water, salt and hormones, so judge it on a 2–3 week average. Work out your own numbers with the free calorie deficit calculator.

How much protein do you need to lose weight?

Aim for about 1.8–2.0 g of protein per kg of body weight a day while in a deficit: 1.8 g if you train less than three times a week, 2.0 g if you train three or more times. The ISSN position stand on protein (Jäger et al., 2017) recommends 1.4–2.0 g/kg for most exercising people and notes that higher intakes can help keep lean mass when eating less.

If your weight is more than 20% above the ideal body weight for your height, the plan calculates protein from an adjusted weight (ideal weight plus 40% of the difference) so targets stay realistic, and it caps protein at 200 g a day. For the woman in the example, that gives 120 g instead of 140 g. Split it across meals: 30–45 g at each main meal is easy to reach with the foods below.

Fibre maxxing: how much fibre do you actually need?

Aim for at least 14 g of fibre per 1,000 kcal you eat, and never less than 25 g a day. That is the benchmark the plan uses; on 1,750 kcal it means 25 g or more, and the sample menu averages close to 40 g. A 2019 series of systematic reviews and meta-analyses in The Lancet (Reynolds et al.) linked intakes of 25–29 g a day with lower risk of several chronic diseases than lower intakes, with some evidence that more may be better.

Fibre maxxing works when it comes from whole foods: legumes, oats, whole grains, vegetables, fruit, nuts and seeds. Fibre slows digestion and adds bulk, which helps you feel full on fewer calories. Increase it over 1–2 weeks rather than overnight, and drink 6–8 glasses of water a day, or bloating is likely.

High-protein meals for omnivores, pescatarians and vegetarians

Every diet option reaches the same protein target; only the sources change. Omnivore menus use chicken, lean beef and turkey alongside fish, eggs and dairy. Pescatarian menus replace meat with salmon, tuna and white fish. Vegetarian menus lean on eggs, Greek yoghurt, cottage cheese, tofu, lentils and chickpeas. No menu contains pork.

With 3 meals a day, calories split about 30% breakfast, 35% lunch and 35% dinner. With 4, it is 25%, 30%, 30% and a 15% snack. Protein is divided the same way, so each meal carries a meaningful dose rather than loading it all into dinner.

How to make a calorie deficit meal plan you can stick to

The plan that works is the one you can repeat on a busy Tuesday: a small rotation of meals you like, cooked in batches, with a simple rule for eating out. The journal gives you 14 interchangeable days; days 15–28 repeat them.

Weigh portions for the first week so you learn what they look like, then switch to the plate method for one meal a day. Strength training twice a week and 7,000 or more daily steps help make sure the weight you lose is mostly fat; the walking plan for weight loss is an easy place to start.

• Plate method: a palm or two of protein, half the plate vegetables, a cupped hand of carbohydrate, a thumb of fat
• Batch-cook protein and grains twice a week; most lunches then take five minutes
• Swap like for like at the same weight: any meat, fish or tofu; rice, bulgur, buckwheat, potatoes or pasta; Greek yoghurt, skyr or cottage cheese
• Weigh yourself 2–3 mornings a week and look at the weekly average, not single days
• No change after 3 weeks? Remove one snack or 20 g of carbohydrate per meal
• Sleep under 6 hours raises next-day hunger; protect sleep like a meal

When a standard meal plan isn't right

A calorie deficit is safe for most healthy adults, but some people need individual medical guidance first: anyone pregnant or breastfeeding, under 18, with kidney disease, on diabetes medication, or with a history of eating disorders. High protein intakes in particular need a doctor's sign-off if your kidney function is reduced.

If you are using a GLP-1 medication such as semaglutide or tirzepatide, appetite can drop so far that protein and strength become the priority; the GLP-1 muscle plan is built for that. Stop the deficit and seek advice if you feel dizzy, faint, unusually cold or exhausted, or if your periods stop.

Updated October 18, 2026 · Written by the Kilopace editorial team