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8000 Kilojoule Diet Plan

The 8000 kilojoule diet (approximately 1912 calories) is one of the most sustainable weight loss approaches for the average South African adult. It sits close to the recommended dietary intake for moderately active women and provides a meaningful deficit for sedentary men and larger women. Unlike very low kilojoule diets, 8000 kJ gives you room to eat satisfying, varied meals without constant hunger.

Medical disclaimer: Consult your doctor or a registered dietitian before starting any structured diet plan, especially if you have diabetes, hypertension, or other chronic conditions.

Who Is the 8000 kJ Diet For?

  • Moderately active women who want to lose 0.3–0.5 kg per week gradually
  • Sedentary men looking to reduce body fat without aggressive restriction
  • People transitioning off a more restrictive diet who still want to maintain a deficit
  • Anyone who has found very low kilojoule diets unsustainable

Daily Kilojoule Breakdown

  • Breakfast: ~1800 kJ (430 cal)
  • Morning snack: ~800 kJ (191 cal)
  • Lunch: ~2200 kJ (525 cal)
  • Afternoon snack: ~800 kJ (191 cal)
  • Dinner: ~2400 kJ (573 cal)
  • Daily total: ~8000 kJ (1910 cal)

7-Day Meal Plan

Day 1

Breakfast (1800 kJ / 430 cal)

  • 2 eggs scrambled with 1 tsp olive oil
  • 2 slices whole grain toast
  • 1 medium tomato, sliced
  • Black coffee or rooibos tea

Morning Snack (800 kJ / 191 cal)

  • 1 medium banana
  • 150 g low-fat plain yogurt

Lunch (2200 kJ / 525 cal)

  • Grilled chicken salad: 130 g chicken breast, 2 cups mixed greens, 1/2 cup chickpeas, cherry tomatoes, cucumber, red onion, 1 tbsp olive oil and lemon dressing
  • 1 small whole grain roll

Afternoon Snack (800 kJ / 191 cal)

  • 30 g lean biltong
  • 1 medium apple

Dinner (2400 kJ / 573 cal)

  • 150 g hake fillet, oven-baked with lemon and herbs
  • 3/4 cup brown rice
  • 1 cup steamed broccoli and green beans
  • 2 tsp olive oil drizzled over vegetables

Day 2

Breakfast (1810 kJ / 432 cal)

  • 1 cup rolled oats, cooked
  • 1/2 cup berries
  • 1 tbsp mixed seeds (sunflower, pumpkin)
  • 200 ml low-fat milk

Morning Snack (790 kJ / 189 cal)

  • 2 Provita crackers with 2 tbsp peanut butter

Lunch (2200 kJ / 525 cal)

  • Lentil and vegetable soup (1.5 cups, homemade or low-sodium)
  • 2 slices whole grain bread with 1 tsp butter
  • Small side salad with tomato and cucumber

Afternoon Snack (800 kJ / 191 cal)

  • 150 g fat-free yogurt with 1 medium orange

Dinner (2400 kJ / 573 cal)

  • Beef stir-fry: 150 g lean beef strips, broccoli, snap peas, baby corn, red pepper, 1 tbsp low-sodium soy sauce, garlic and ginger
  • 2/3 cup cooked brown rice

Day 3

Breakfast (1800 kJ / 430 cal)

  • 3 egg omelette (2 egg whites + 1 whole egg) with spinach, mushrooms and low-fat cheese
  • 1 slice rye or low-GI bread
  • 1 medium orange

Morning Snack (800 kJ / 191 cal)

  • Smoothie: 200 ml low-fat milk, 1/2 banana, handful spinach, 1 tsp honey

Lunch (2190 kJ / 523 cal)

  • Chicken wrap: 1 large whole wheat wrap, 120 g grilled chicken, shredded lettuce, tomato, cucumber, 1 tbsp tzatziki, 1/4 avocado

Afternoon Snack (810 kJ / 193 cal)

  • Handful (25 g) mixed nuts (unsalted)
  • 1 small pear

Dinner (2400 kJ / 573 cal)

  • 150 g skinless chicken thighs, oven-roasted
  • 1 cup roasted butternut and sweet potato
  • 1 cup steamed spinach with garlic
  • 1 tsp olive oil

Day 4

Breakfast (1800 kJ / 430 cal)

  • 2 slices whole grain bread
  • 1/4 avocado, mashed
  • 2 poached eggs
  • Squeeze of lemon, black pepper

Morning Snack (800 kJ / 191 cal)

  • 1 cup fresh fruit salad (pawpaw, mango, melon, guava)
  • 100 g low-fat yogurt

Lunch (2200 kJ / 525 cal)

  • Sardines in tomato sauce on 2 slices whole grain toast
  • Large side salad: baby spinach, tomato, red onion, cucumber with 1 tsp olive oil and apple cider vinegar dressing

Afternoon Snack (800 kJ / 191 cal)

  • 2 rice cakes
  • 3 tbsp hummus
  • Vegetable sticks (carrot, celery)

Dinner (2400 kJ / 573 cal)

  • Lamb chop (150 g lean, fat trimmed), grilled
  • 1/2 cup cooked brown lentils
  • 1 cup roasted vegetables (courgettes, red pepper, onion)

Day 5

Breakfast (1800 kJ / 430 cal)

  • Overnight oats: 3/4 cup oats, 200 ml low-fat milk, 1 tbsp chia seeds, 1/2 cup berries (prepared night before)

Morning Snack (800 kJ / 191 cal)

  • 1 boiled egg
  • 1 medium apple
  • 6 almonds

Lunch (2200 kJ / 525 cal)

  • Quinoa bowl: 3/4 cup cooked quinoa, 100 g grilled chicken, roasted peppers and courgettes, 1 tbsp pesto, handful rocket

Afternoon Snack (800 kJ / 191 cal)

  • 150 g low-fat yogurt with 1 tsp honey and cinnamon

Dinner (2400 kJ / 573 cal)

  • 150 g salmon fillet, pan-grilled
  • 1/2 cup brown rice
  • Stir-fried bok choy and baby marrow in 1 tsp sesame oil and soy sauce

Day 6

Breakfast (1800 kJ / 430 cal)

  • 2 Weet-Bix with 200 ml low-fat milk
  • 1 medium banana
  • 1 boiled egg

Morning Snack (800 kJ / 191 cal)

  • 2 Provita crackers with low-fat cottage cheese and tomato

Lunch (2200 kJ / 525 cal)

  • Pasta salad: 3/4 cup cooked whole wheat pasta, 80 g tuna (in brine, drained), olives, cherry tomatoes, cucumber, 1 tbsp olive oil and lemon

Afternoon Snack (800 kJ / 191 cal)

  • 1 medium pear
  • 25 g unsalted mixed nuts

Dinner (2400 kJ / 573 cal)

  • Grilled boerewors (1 link, lean variety, 120 g)
  • 1/2 cup cooked pap (stiff, no added fat)
  • Tomato and onion relish (chakalaka, low-sodium)
  • 1 cup shredded coleslaw with low-fat dressing

Day 7

Breakfast (1800 kJ / 430 cal)

  • French toast: 2 slices whole grain bread dipped in 1 egg + 50 ml milk, pan-grilled in non-stick pan
  • 1/2 cup mixed berries or sliced banana
  • 1 tsp honey

Morning Snack (800 kJ / 191 cal)

  • Smoothie: 200 ml low-fat milk, 1/2 banana, 1 tbsp peanut butter, ice

Lunch (2200 kJ / 525 cal)

  • Grilled chicken and vegetable skewers (150 g chicken, peppers, onion, courgette, mushroom) with 1 tsp olive oil marinade
  • 1/2 cup cooked couscous
  • Side salad with tzatziki (2 tbsp)

Afternoon Snack (800 kJ / 191 cal)

  • 150 g low-fat yogurt with 1 small guava or 1/2 cup fruit

Dinner (2400 kJ / 573 cal)

  • Vegetable curry: 1 cup mixed vegetables (butternut, chickpeas, spinach, tomato) cooked in light curry sauce
  • 1/2 cup brown basmati rice
  • 1 tbsp plain low-fat yogurt

Hydration Guide

  • Water: minimum 2 litres per day; aim for 2.5 litres in hot SA summers
  • Rooibos tea: unlimited, caffeine-free, zero kilojoules unsweetened
  • Black coffee: up to 2 cups per day, no sugar or creamer
  • Sparkling water with lemon or mint: good alternative to fizzy drinks
  • Avoid: all fruit juices (high sugar), alcohol, energy drinks, full-cream milk coffees

Tips for Sticking to 8000 kJ

  • Batch cook proteins: Grill or roast a week's worth of chicken breast on Sunday. Removes daily decision fatigue.
  • Snacks are not optional: At 8000 kJ, skipping your morning and afternoon snacks is a false economy — you will overeat at dinner.
  • SA-friendly swaps: Pap is fine in controlled portions (1/2 cup stiff pap = ~600 kJ). Replace droewors with lean biltong. Use chakalaka as a tomato sauce substitute.
  • Restaurant strategy: Order grilled fish or chicken, ask for sauces on the side, skip the bread basket.
  • Weigh your food: Portion estimation is consistently off by 20–30%. A kitchen scale removes guesswork.

Foods to Build Your Plate Around

  • Proteins: Chicken breast and thigh (skinless), hake, pilchards, tuna, eggs, lentils, chickpeas, low-fat cottage cheese
  • Carbohydrates: Brown rice, oats, whole grain bread, sweet potato, quinoa, brown lentils
  • Vegetables: Fill half your plate — broccoli, spinach, cauliflower, green beans, baby marrow, tomatoes, peppers
  • Fats: Avocado (1/4 to 1/2 per day), olive oil (2 tsp per meal), a small handful of nuts

What to Expect

At 8000 kJ, most adults run a deficit of 1000–3000 kJ per day below their maintenance level, depending on size and activity. Expected fat loss is 0.2–0.5 kg per week — slower than aggressive plans but far more sustainable. Many people find they can stay at 8000 kJ long-term without feeling deprived, which makes it ideal for gradual body recomposition rather than crash dieting.

Important: If you are exercising intensively (more than 5 hours per week), 8000 kJ may be too low. Add 500–1000 kJ on training days through an additional serving of carbohydrates or protein. Always listen to your body and consult a dietitian for personalised guidance.

Compare Kilojoule Diet Plans