Your AI Meal Plan, Built Around Your Body

Whether your goal is sustainable fat loss, building lean muscle, or simply bringing structure to your nutrition as a busy individual, our custom AI diet plan does the heavy lifting for you.

Here’s what makes it different:

• ✅ Macro targets calculated to your exact biometrics
• ✅ Supports 6 dietary methodologies — Balanced, High Protein, Vegan, Vegetarian, Ketogenic, and Paleo
• ✅ Built-in allergy and ingredient exclusion filtering
• ✅ Automated grocery lists generated alongside your plan
• ✅ Backed by peer-reviewed nutritional science

Enter your details in the planner below to get started 👇

How It Works — 3 Steps to Your Perfect Plan

Step 1: Input Your Data

Enter your biometrics — biological sex, age, weight, height, body fat percentage (optional), and daily activity level. Select how many meals you want per day, choose your primary fitness objective, and tell us your dietary methodology.

Be accurate. The more precise your inputs, the more effective your plan.

Step 2: The AI Algorithm Goes to Work

Once you submit, our Fitness Meal Generator calculates your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE), then applies your goal-specific caloric adjustment — deficit, surplus, or maintenance — to distribute your macros with clinical precision across every meal in your day.

Step 3: Get Your Personalised Plan

Receive your fully structured custom AI diet plan — complete with daily macro totals, per-meal breakdowns, food selections, and a ready-to-use grocery list. All filtered for your allergies. All matched to your dietary methodology.

📊 Precision Macro Tracking

Macros are the engine behind every successful fitness goal.

Forget calorie counting in the dark. Our automated macro tracking system calculates your exact daily targets for protein, carbohydrates, and fats — down to the gram — based on your verified biometrics and chosen fitness objective.

• Protein targets are set to preserve and build lean muscle mass, calibrated to your current body weight and training frequency.
• Carbohydrate allocations are sized to your energy demands — scaled higher for active lifestyles, reduced for sedentary days.
• Fat intake is balanced to support hormonal health and long-term satiety without blowing your caloric budget.

The result? You know exactly what to eat and exactly how much — with zero second-guessing, every single day. That’s the power of CoreFitSpot nutrition.

🛒 Automated Grocery Lists

The best meal plan in the world is useless if you can’t shop for it.

Once your AI Meal Planner generates your personalised diet, CoreFitSpot automatically compiles a structured grocery list based on every ingredient in your plan — so you can walk into the supermarket with total clarity.

• Ingredients are grouped by category — proteins, complex carbs, healthy fats, vegetables, and condiments — for fast, efficient shopping.
• Lists are automatically adjusted for your chosen dietary methodology, whether that’s Ketogenic, Vegan, Paleo, or High Protein.
• Plan your full week’s shop in one go, eliminating hours of meal prep decision fatigue.

Nutritional consistency begins in the supermarket. CoreFitSpot makes it effortless.

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🚫 Smart Allergy Filtering

Your diet plan should work around your body — not against it.

Our Fitness Meal Generator features intelligent allergy and ingredient exclusion filtering. Before any meal is placed into your plan, it is cross-referenced against your restrictions and automatically replaced with a compliant alternative.

• Supports all major allergens: gluten, dairy, nuts, eggs, shellfish, soy, and more.
• Accepts custom ingredient exclusions — if you simply dislike a food, remove it.
• Every suggestion in your plan is fully vetted against your exclusion list before it appears.

No compromises. No accidental triggers. A completely clean custom AI diet plan, built entirely around your specifications.

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What Are Macros — and Why Do They Matter?

Macronutrients (or “macros”) are the three primary nutrients your body uses for energy, structural repair, and biological function: protein, carbohydrates, and fat. Unlike micronutrients (vitamins and minerals), macros are consumed in significant quantities every day, and they directly determine your body composition and physical performance.

Understanding your macros isn’t just for serious athletes. It’s the foundation of evidence-based nutrition for anyone with a health or fitness goal — from fat loss to muscle gain to simply feeling better every day.

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🥩 Protein — Build, Repair, Retain

Protein is the most critical macro for body composition and recovery. It builds and repairs muscle tissue, supports immune function, and — crucially — keeps you feeling fuller for longer by reducing appetite hormones.

• Delivers 4 calories per gram.
• Drives muscle protein synthesis (MPS) — the process your body uses to grow and repair muscle after training.
• High-protein diets are consistently associated with greater fat loss while preserving lean muscle mass.
• The recommended range for active individuals is 1.6–2.2g of protein per kg of bodyweight per day.

Best sources: Chicken breast, lean beef, eggs, Greek yogurt, cottage cheese, lentils, tofu, whey protein, edamame.

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🍚 Carbohydrates — Fuel Your Performance

Carbohydrates are your body’s primary and preferred fuel source, particularly during moderate-to-high intensity exercise. Complex carbohydrates provide a slow, sustained release of energy; simpler carbs offer rapid glucose for performance and recovery windows.

• Delivers 4 calories per gram.
• Complex carbohydrates — oats, sweet potato, brown rice, quinoa — provide long-lasting, stable energy without blood sugar spikes.
• Dietary fibre (a type of carbohydrate) supports gut health, satiety, and hormone regulation.
• Carbohydrate needs vary significantly based on training volume and activity level.

Best sources: Oats, sweet potatoes, brown rice, quinoa, beans and lentils, whole grain bread, bananas, berries.

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🥑 Fats — Hormones, Brain & Recovery

Dietary fat is the most misunderstood macro. Despite being calorie-dense, fats are essential — not optional — for hormonal production, brain function, cellular repair, and the absorption of fat-soluble vitamins (A, D, E, and K).

• Delivers 9 calories per gram — the most energy-dense of all three macros.
• Monounsaturated and polyunsaturated fats reduce systemic inflammation and support cardiovascular health.
• Omega-3 fatty acids, found primarily in oily fish, are strongly linked to improved body composition, reduced inflammation, and faster exercise recovery.
• Eliminating dietary fat entirely can cause hormonal disruption, vitamin deficiencies, and impaired cognitive function.

Best sources: Avocado, olive oil, salmon, mackerel, walnuts, almonds, flaxseeds, eggs, dark chocolate (70%+).

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Understanding Your Results: BMR, TDEE & Your Daily Caloric Target

When CoreFitSpot’s AI Meal Planner generates your plan, three key numbers power the entire calculation. Understanding them helps you trust — and use — your results effectively.

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What Is BMR?

Your Basal Metabolic Rate (BMR) is the number of calories your body needs at complete rest to sustain basic biological functions — breathing, circulation, cell production, and organ function. It represents the largest single component of your total daily caloric burn and is determined by your age, biological sex, weight, and height.

CoreFitSpot uses the Mifflin-St Jeor equation — the gold standard for BMR estimation, validated in peer-reviewed literature and endorsed by the American Council on Exercise — to calculate this figure with accuracy.

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What Is TDEE?

Your Total Daily Energy Expenditure (TDEE) is your BMR multiplied by an activity factor that reflects your real-world movement throughout the day. It represents the total calories you burn in any 24-hour period, incorporating:

• Exercise activity thermogenesis (EAT) — planned training sessions.
• Non-exercise activity thermogenesis (NEAT) — all daily movement outside formal exercise (walking, fidgeting, standing).
• Thermic effect of food (TEF) — the calories burned digesting and metabolising the food you eat.

Your TDEE is the foundation of every goal-based caloric target in your plan.

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How Your Fitness Goal Shapes Your Caloric Target

Fitness Objective	Caloric Adjustment	Expected Weekly Progress
Aggressive Fat Loss	−750 kcal/day	~0.7 kg / week
Standard Fat Loss	−500 kcal/day	~0.5 kg / week
Mild Fat Loss	−250 kcal/day	~0.25 kg / week
Maintain Weight	±0 kcal/day	Stable
Lean Bulking	+250 kcal/day	~0.25 kg / week
Aggressive Bulking	+500 kcal/day	~0.5 kg / week

Note: Rate of progress figures are estimates based on standard caloric equivalents. Individual results vary based on adherence, metabolic adaptation, training volume, and sleep quality.

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The Science Behind Your CoreFitSpot AI Diet Plan

CoreFitSpot’s AI Meal Planner is not built on trends, marketing claims, or generic algorithms. It is grounded in validated nutritional science and calibrated against peer-reviewed research from leading institutions in sports nutrition, metabolic health, and exercise physiology.

Our methodology rests on three scientific pillars:

1. Verified Energy Balance Calculations Every plan originates from a rigorously calculated TDEE using the Mifflin-St Jeor equation for BMR, adjusted for activity level using Harris-Benedict activity multipliers. This ensures your caloric baseline is physiologically accurate — not a rounded approximation from a generic template.

2. Evidence-Based Macro Distribution Protein targets are set within the 1.6–2.2g per kg of bodyweight range — the window most consistently supported by systematic reviews and meta-analyses in The Journal of the International Society of Sports Nutrition for optimising muscle protein synthesis and lean mass retention during both fat loss and muscle-building phases.

Carbohydrate and fat allocations follow the Acceptable Macronutrient Distribution Ranges (AMDRs) established by the Institute of Medicine — ensuring every plan remains nutritionally complete, not just calorically matched.

3. Methodology-Specific Dietary Frameworks Whether you follow a standard balanced approach, high-protein, ketogenic, vegan, vegetarian, or paleolithic methodology, each framework is implemented according to its own validated nutritional parameters — cross-referenced against current sports nutrition literature for both effectiveness and long-term dietary safety.

Our AI processes your biometric inputs against all three pillars simultaneously, producing a plan that is scientifically sound, personally relevant, and immediately actionable.

⚕️ CoreFitSpot recommends consulting a qualified nutritionist, dietitian, or medical professional before making significant dietary changes — particularly if you have a pre-existing health condition, are pregnant, or are managing a chronic illness.

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References

1. Morton, R.W., Murphy, K.T., McKellar, S.R., et al. (2018). “A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults.” British Journal of Sports Medicine, 52(6), 376–384.
2. Helms, E.R., Aragon, A.A., & Fitschen, P.J. (2014). “Evidence-based recommendations for natural bodybuilding contest preparation: nutrition and supplementation.” Journal of the International Society of Sports Nutrition, 11(1), 20.
3. Thomas, D.T., Erdman, K.A., & Burke, L.M. (2016). “American College of Sports Medicine Joint Position Statement: Nutrition and Athletic Performance.” Medicine & Science in Sports & Exercise, 48(3), 543–568.

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Ready to Eat With Purpose?

Stop leaving your nutrition to chance.

Thousands of CoreFitSpot members have already unlocked their full potential with a science-backed, personalised AI meal plan — and your plan is ready to be generated right now.

Your body has given you the data. Our AI knows what to do with it. All you have to do is scroll up and enter your details.

Your goal is waiting. Your plan is one click away.

No account required. Results delivered instantly. 100% free.

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© CoreFitSpot — Science-backed fitness and nutrition for real people with real goals.