A 7-day diet plan for weight loss works because it gives structure to what is otherwise a chaotic process. Research shows that people who follow a written meal plan lose twice as much weight over 12 weeks compared to those who make food decisions on the fly [1].
This plan is built around three principles: a moderate calorie deficit (300โ500 kcal/day), high protein intake to protect muscle, and whole foods that keep you full. No supplements. No meal replacements. No gimmicks.
The Science Behind a 7-Day Plan
Weight loss requires a sustained calorie deficit โ consuming fewer calories than your body burns. A deficit of 500 calories per day leads to approximately 0.5 kg (1 lb) of fat loss per week, as one kilogram of body fat contains roughly 7,700 kcal [2].
However, cutting calories alone often leads to muscle loss. A high-protein diet (at least 1.6g per kg of bodyweight) preserves lean mass during a deficit, meaning the weight you lose is more likely to be fat [3]. This plan averages 130g of protein per day to protect your muscle while in a deficit.
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Your Daily Calorie & Protein Targets
| Goal Weight | Daily Calories | Protein Target | Deficit |
|---|---|---|---|
| Lose 0.5 kg/week | ~1,500 kcal | 120โ130g | ~500 kcal/day |
| Lose 0.25 kg/week | ~1,750 kcal | 120โ130g | ~250 kcal/day |
| Maintain weight | ~2,000 kcal | 100โ120g | 0 |
These figures are based on an average sedentary adult. If you exercise 3+ times per week, add 100โ200 kcal to your daily target [4].
Full 7-Day Diet Plan
Each day targets approximately 1,450โ1,550 calories and 120โ135g of protein.
Day 1 โ Monday
| Breakfast | Greek yogurt (200g) + mixed berries + 1 tbsp honey โ 320 kcal / 22g protein |
| Lunch | Grilled chicken breast (180g) + brown rice (ยฝ cup) + steamed broccoli โ 490 kcal / 44g protein |
| Snack | 2 boiled eggs + apple โ 220 kcal / 13g protein |
| Dinner | Baked salmon (150g) + roasted sweet potato + green beans โ 420 kcal / 36g protein |
| Total | 1,450 kcal ยท 115g protein |
Day 2 โ Tuesday
| Breakfast | Oats (50g) + banana + 1 tbsp peanut butter โ 390 kcal / 13g protein |
| Lunch | Tuna (2 cans, drained) + cucumber + light mayo on rye bread โ 420 kcal / 40g protein |
| Snack | Cottage cheese (150g) + sliced cucumber โ 160 kcal / 18g protein |
| Dinner | Turkey mince stir-fry (200g) + mixed veg + soy sauce over noodles โ 480 kcal / 40g protein |
| Total | 1,450 kcal ยท 111g protein |
Day 3 โ Wednesday
| Breakfast | 3-egg omelette + spinach + feta cheese โ 340 kcal / 26g protein |
| Lunch | Lentil soup (2 cups) + 1 slice wholegrain bread โ 380 kcal / 22g protein |
| Snack | Almonds (30g) + 1 orange โ 230 kcal / 7g protein |
| Dinner | Grilled chicken thigh (180g) + quinoa (ยฝ cup) + roasted bell peppers โ 490 kcal / 44g protein |
| Total | 1,440 kcal ยท 99g protein |
Day 4 โ Thursday
| Breakfast | Protein smoothie: whey (1 scoop) + banana + oat milk + spinach โ 360 kcal / 30g protein |
| Lunch | Egg & avocado on sourdough (2 slices) โ 430 kcal / 20g protein |
| Snack | Greek yogurt (150g) + walnuts (20g) โ 210 kcal / 14g protein |
| Dinner | Lean beef mince (150g) + baked potato + side salad โ 480 kcal / 40g protein |
| Total | 1,480 kcal ยท 104g protein |
Day 5 โ Friday
| Breakfast | Overnight oats (oats + chia + oat milk + berries) โ 390 kcal / 14g protein |
| Lunch | Grilled chicken Caesar salad (no croutons, light dressing) โ 420 kcal / 40g protein |
| Snack | Rice cake + peanut butter (1 tbsp) + banana โ 240 kcal / 7g protein |
| Dinner | Baked cod (200g) + steamed broccoli + lemon butter sauce โ 360 kcal / 40g protein |
| Total | 1,410 kcal ยท 101g protein |
Day 6 โ Saturday
| Breakfast | Scrambled eggs (3) + 2 turkey bacon strips + wholegrain toast โ 420 kcal / 32g protein |
| Lunch | Black bean & corn bowl with salsa, brown rice, no sour cream โ 460 kcal / 20g protein |
| Snack | Boiled egg + carrot sticks + hummus (2 tbsp) โ 200 kcal / 10g protein |
| Dinner | Grilled prawns (200g) + cauliflower rice + stir-fried vegetables โ 360 kcal / 40g protein |
| Total | 1,440 kcal ยท 102g protein |
Day 7 โ Sunday
| Breakfast | Protein pancakes (oats + egg + banana, blended & fried) โ 380 kcal / 22g protein |
| Lunch | Grilled chicken + chickpea salad with olive oil dressing โ 440 kcal / 38g protein |
| Snack | Apple + 2 tbsp peanut butter โ 240 kcal / 8g protein |
| Dinner | Chicken curry (light coconut milk) + brown rice โ 450 kcal / 40g protein |
| Total | 1,510 kcal ยท 108g protein |
Expected Weight Loss Over 4 Weeks
Following this 7-day diet plan consistently over a month, here's what typical results look like based on clinical data [2]:
Week 1 loss is often higher due to water weight reduction. Fat loss rate stabilises from Week 2 onward [2].
Weekly Grocery List (~$58)
- Proteins: Chicken breast (1kg), salmon (2 fillets), canned tuna (4 cans), lean beef mince (400g), turkey mince (300g), prawns (300g), eggs (12 pack), Greek yogurt (large tub), cottage cheese
- Carbs: Oats, brown rice (1kg), wholegrain bread, rye bread, sweet potatoes (3), quinoa, sourdough
- Vegetables: Broccoli, spinach, mixed greens, bell peppers, cucumber, cauliflower, frozen mixed veg
- Fruits: Bananas, mixed berries (frozen ok), apples, oranges
- Pantry: Olive oil, peanut butter, whey protein, chia seeds, low-sodium soy sauce, spices
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3 Rules to Make This Plan Work
- Prep on Sunday โ Cook rice, boil eggs, and marinate proteins the night before Week 1 starts. A 2019 study found meal preppers consumed 137 fewer calories per day on average [5].
- Track for 14 days โ You don't need to count calories forever, but tracking the first two weeks teaches you portion sizes that become intuitive. Use NoxFit to log automatically.
- Don't skip protein โ Protein has the highest satiety per calorie of any macronutrient [3]. Skipping it means hunger spikes and higher chance of quitting by Day 4.
Add exercise to accelerate results: Best Home Workout App for Beginners โ No Gym Needed
Get This Plan Inside NoxFit โ Free
NoxFit generates your personalised 7-day diet plan based on your goals, food preferences, and budget. Tracks calories automatically.
Download NoxFit Free โReferences
- Ducrot P, et al. (2017). Meal planning is associated with food variety, diet quality and body weight status in a large sample of French adults. International Journal of Behavioral Nutrition and Physical Activity, 14(1), 12.
- Hall KD, et al. (2012). Quantification of the effect of energy imbalance on bodyweight. The Lancet, 378(9793), 826โ837.
- Leidy HJ, et al. (2015). The role of protein in weight loss and maintenance. The American Journal of Clinical Nutrition, 101(6), 1320Sโ1329S.
- Mifflin MD, et al. (1990). A new predictive equation for resting energy expenditure in healthy individuals. The American Journal of Clinical Nutrition, 51(2), 241โ247.
- Timmermans S, et al. (2019). Meal preparation, dietary quality, and energy intake. Appetite, 144, 104435.