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● Updated February 2026

Science-Based
Weight Loss &
Fitness Guide

Everything you need to lose weight, build muscle, and get in the best shape of your life. Free calculators, expert guides, and proven workout plans — all backed by science.

Calculate Your TDEE → Read Guides
10+
Expert Guides
4
Free Calculators
6
Workout Plans
15+
FAQs Answered
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Weight Loss

Master the Science of Fat Loss

Evidence-based guides that cut through the noise. No fads, no gimmicks — just what actually works.

01
Foundation
Calorie Deficit Explained: The Only Rule That Matters

Every successful diet works because of one principle. Learn exactly how calorie deficits work and how to create one sustainably.

🕑 5 min read ★ Essential
02
Nutrition
Intermittent Fasting: Methods, Benefits, and Risks

From 16:8 to OMAD — understand every IF protocol, who it works for, and potential downsides to watch for.

🕑 6 min read ★ Popular
03
Lifestyle
How to Lose Weight Without Counting Calories

Not everyone wants to track every bite. Discover intuitive strategies that create a natural calorie deficit.

🕑 5 min read ★ Beginner Friendly
04
Practical
Meal Prep for Weight Loss: A Beginner’s Guide

Save time, save money, and stay on track. Your step-by-step system for prepping a week of healthy meals.

🕑 6 min read ★ Actionable
05
Mindset
Why the Scale Lies: Understanding Body Composition

The number on the scale doesn’t tell the full story. Learn what really matters when tracking progress.

🕑 5 min read ★ Eye-Opening
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Fitness

Build Strength, Burn Fat, Perform Better

Whether you’re day one or year five, these guides will level up your training.

01
Beginner
Strength Training for Beginners: Your First 30 Days

New to lifting? This 30-day roadmap takes you from zero to confident in the weight room with proper form and programming.

🕑 6 min read ★ Start Here
02
Cardio
HIIT vs Steady-State Cardio: Which Burns More Fat?

The great cardio debate settled with science. When to do HIIT, when to go steady, and how to combine both.

🕑 5 min read ★ Research-Backed
03
Equipment
Building a Home Gym on Any Budget

From $50 essentials to $2,000 dream setups. Build a home gym that matches your goals and wallet.

🕑 6 min read ★ Practical
04
Training
The Best Exercises for Each Muscle Group

Stop wasting time on ineffective exercises. Here are the proven top picks for every major muscle group.

🕑 7 min read ★ Comprehensive
05
Recovery
Recovery and Rest Days: Why They Matter

Growth happens outside the gym. Understand the science of recovery and how to optimize your rest days.

🕑 5 min read ★ Often Overlooked
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Free Tools

Fitness Calculators

Know your numbers. These calculators give you a personalized starting point for any fitness goal.

⚡

TDEE Calculator

Find out how many calories you burn per day including exercise.

Calories per day (maintenance)
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BMI Calculator

Calculate your BMI with body composition context — because BMI alone doesn’t tell the whole story.

🍴

Macro Calculator

Get your daily protein, carb, and fat targets based on your goal.

🏋

One-Rep Max Calculator

Estimate your 1RM for any lift based on your working sets.

Estimated One-Rep Max
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Programs

Sample Workout Plans

Structured programs for every experience level. Pick your plan and start today.

💡

Beginner 3-Day Full Body — Perfect for your first month. Focus on learning form with moderate weight. Rest 60-90 seconds between sets.

Day 1: Full Body A ~45 min
▼
ExerciseSetsRepsNotes
Goblet Squat310-12Keep chest up
Dumbbell Bench Press310-12Flat bench
Dumbbell Row310-12 eachOne arm at a time
Overhead Press310Seated or standing
Plank330 secBrace core tight
Day 2: Full Body B ~45 min
▼
ExerciseSetsRepsNotes
Romanian Deadlift310Hinge at hips
Incline DB Press310-1230° incline
Lat Pulldown310-12Wide grip
Lateral Raises312-15Light weight, control
Dead Bug38 each sideSlow and controlled
Day 3: Full Body C ~45 min
▼
ExerciseSetsRepsNotes
Leg Press312Full range of motion
Push-Ups3AMRAPModify if needed
Cable Row310-12Squeeze shoulder blades
DB Curl212Alternate arms
Tricep Pushdown212Rope or bar
💡

Beginner 5-Day Split — Upper/Lower + Full Body. Great for building gym habit. Rest 60-90 seconds between sets.

Day 1: Upper Body ~50 min
▼
ExerciseSetsRepsNotes
DB Bench Press310Flat bench
DB Row310 eachBench supported
Overhead Press310Dumbbells or barbell
Face Pulls315Light, squeeze back
Bicep Curls212Any variation
Day 2: Lower Body ~50 min
▼
ExerciseSetsRepsNotes
Goblet Squat310Depth below parallel
Romanian Deadlift310Feel hamstring stretch
Leg Press312Medium stance
Leg Curl312Slow eccentric
Calf Raises315Full stretch at bottom
Day 3: Upper Body B ~45 min
▼
ExerciseSetsRepsNotes
Incline DB Press31030 degree incline
Lat Pulldown310Wide grip
Lateral Raises315Light and controlled
Tricep Pushdown312Rope attachment
Hammer Curls212Neutral grip
Day 4: Lower Body B ~45 min
▼
ExerciseSetsRepsNotes
Bulgarian Split Squat310 eachDB in each hand
Hip Thrust312Barbell or DB
Leg Extension312Squeeze at top
Walking Lunges212 eachBodyweight or DB
Plank345 secAdd weight if easy
Day 5: Full Body ~45 min
▼
ExerciseSetsRepsNotes
Squat Variation310Pick your favorite
Push-Ups3AMRAPChest to floor
Cable Row312Close grip
DB Shoulder Press310Seated
Pallof Press210 eachAnti-rotation core
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Intermediate 3-Day Full Body — Compound-focused with progressive overload. Track your weights and aim to increase by 5 lbs every 1-2 weeks. Rest 90-120 seconds between compound lifts.

Day 1: Strength Focus ~60 min
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ExerciseSetsRepsNotes
Barbell Squat46-8Below parallel
Barbell Bench Press46-8Arch back, retract scapula
Barbell Row46-8Slight torso lean
Overhead Press38-10Strict form
Weighted Plank345 secPlate on back
Day 2: Hypertrophy Focus ~60 min
▼
ExerciseSetsRepsNotes
Front Squat310-12Elbows high
Incline DB Press310-12Slow eccentric
Chest-Supported Row310-12Squeeze at top
Lateral Raises412-15Superset with curls
DB Curl312Controlled tempo
Tricep Dips310-12Bodyweight or weighted
Day 3: Power + Conditioning ~55 min
▼
ExerciseSetsRepsNotes
Deadlift45Reset each rep
Push Press36-8Use leg drive
Pull-Ups3AMRAPAdd weight if 10+
Walking Lunges310 eachHeavy DBs
Farmer’s Walk340 ydHeavy as possible
💡

Intermediate 5-Day Upper/Lower/Push/Pull/Legs — Higher volume split targeting each muscle group twice per week. Rest 90-120 sec on compounds, 60-90 sec on isolation.

Day 1: Upper Strength ~60 min
▼
ExerciseSetsRepsNotes
Bench Press45-6Heavy, controlled
Weighted Pull-Ups45-6Add weight belt
OHP38Barbell or DB
Barbell Row38Overhand grip
Face Pulls315Rear delt focus
Day 2: Lower Strength ~60 min
▼
ExerciseSetsRepsNotes
Barbell Squat45-6Heavy, below parallel
Romanian Deadlift48Hamstring emphasis
Leg Press310High and wide stance
Leg Curl310Slow negative
Standing Calf Raise412Pause at top
Day 3: Push Hypertrophy ~55 min
▼
ExerciseSetsRepsNotes
Incline DB Press410-12Squeeze at top
Cable Fly312-15Constant tension
DB Lateral Raise412-15Drop set last set
Overhead Tricep Extension312Cable or DB
Dips3AMRAPLean forward for chest
Day 4: Pull Hypertrophy ~55 min
▼
ExerciseSetsRepsNotes
Lat Pulldown410-12Wide grip
Seated Cable Row410-12Close grip V-bar
Rear Delt Fly315Machine or DB
Barbell Curl310Strict form
Incline DB Curl312Long head stretch
Day 5: Legs Hypertrophy ~60 min
▼
ExerciseSetsRepsNotes
Front Squat48-10Quad emphasis
Bulgarian Split Squat310 eachDB in each hand
Leg Extension312-15Pause at top
Lying Leg Curl312Toes pointed
Seated Calf Raise415Full ROM
💡

Advanced 3-Day Powerbuilding — Heavy compound work plus hypertrophy accessories. 2+ years training required. Rest 2-3 min on main lifts, 60-90 sec on accessories.

Day 1: Squat + Upper Pull ~75 min
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ExerciseSetsRepsNotes
Back Squat55 (85% 1RM)Belt recommended
Pause Squat332-sec pause at bottom
Weighted Pull-Ups46-8Supinated or neutral
Chest-Supported Row410Squeeze 1 sec at top
Barbell Curl310Moderate weight
Ab Wheel310Full extension
Day 2: Bench + Accessories ~75 min
▼
ExerciseSetsRepsNotes
Bench Press55 (85% 1RM)Pause on chest
Close-Grip Bench38Tricep focus
OHP46-8Strict, no leg drive
Lateral Raises415Double drop set last
Skull Crushers310EZ bar
Face Pulls315External rotation
Day 3: Deadlift + Legs ~75 min
▼
ExerciseSetsRepsNotes
Conventional Deadlift53 (87% 1RM)Reset each rep
Deficit Deadlift352-inch deficit
Front Squat38Quad emphasis
GHR or Leg Curl410Hamstring focus
Farmer’s Walk350 ydMax weight
Hanging Leg Raise312Full ROM
💡

Advanced 5-Day Push/Pull/Legs/Upper/Lower — High volume and intensity. Periodize by rotating heavy and moderate weeks. Rest 2-3 min on compounds.

Day 1: Push (Heavy) ~70 min
▼
ExerciseSetsRepsNotes
Bench Press54-6Progressive overload
Incline DB Press4830-degree angle
OHP46-8Standing barbell
Cable Fly312Peak contraction
Lateral Raise412-15Myo-reps last set
Overhead Tricep Extension312Cable rope
Day 2: Pull (Heavy) ~70 min
▼
ExerciseSetsRepsNotes
Barbell Row55Overhand, explosive
Weighted Pull-Ups46-8Add weight each week
Seated Cable Row410Pause at contraction
Rear Delt Fly415Pec deck reverse
Barbell Curl48Cheat curls OK last 2
Hammer Curl312Cross-body
Day 3: Legs (Heavy) ~75 min
▼
ExerciseSetsRepsNotes
Back Squat54-6Work up to top set
Romanian Deadlift48Deep stretch
Hack Squat310Narrow stance quads
Lying Leg Curl410Slow eccentric
Standing Calf Raise510-12Heavy
Hanging Leg Raise315No swinging
Day 4: Upper (Hypertrophy) ~65 min
▼
ExerciseSetsRepsNotes
Incline Bench410-12Barbell or DB
Chest-Supported Row410-12Wide grip
Arnold Press312Rotation at top
Lat Pulldown312Underhand grip
Cable Lateral Raise415Behind body
Superset: Curl + Pushdown312 eachPump finish
Day 5: Lower (Hypertrophy) ~65 min
▼
ExerciseSetsRepsNotes
Front Squat48-10Upright torso
Walking Lunges312 eachHeavy DBs
Leg Extension412-15Drop set last set
Stiff-Leg Deadlift310On deficit
Seated Calf Raise4152-sec pause at bottom
Ab Wheel312Standing if able
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Compare

Popular Diets & Equipment Compared

Side-by-side breakdowns to help you make informed decisions.

Popular Diets Compared

Diet Weight Loss Sustainability Muscle Retention Difficulty Best For
Calorie Counting ★★★★★ ★★★☆☆ ★★★★★ Moderate Precise control, any goal
Intermittent Fasting ★★★★☆ ★★★★☆ ★★★☆☆ Easy Busy schedules, simplicity
Keto ★★★★☆ ★★☆☆☆ ★★★☆☆ Hard Appetite suppression, fast initial results
Mediterranean ★★★☆☆ ★★★★★ ★★★★☆ Easy Long-term health, heart health
Paleo ★★★☆☆ ★★★☆☆ ★★★★☆ Moderate Whole food focus, elimination
Carnivore ★★★★☆ ★★☆☆☆ ★★★★★ Hard Simplicity, elimination protocol
Flexible Dieting (IIFYM) ★★★★★ ★★★★★ ★★★★★ Moderate Lifestyle balance, athletes
Vegan ★★★☆☆ ★★★☆☆ ★★☆☆☆ Hard Ethical choice, health variety
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Home Gym Equipment Ranked

Equipment Priority Cost Range Versatility Space Needed Best Exercises
Adjustable Dumbbells #1 Must-Have $150 - $400 ★★★★★ Minimal Everything upper body, lunges, rows
Pull-Up Bar #2 Must-Have $25 - $50 ★★★★☆ Doorway Pull-ups, chin-ups, hanging leg raises
Adjustable Bench #3 Must-Have $100 - $300 ★★★★★ Small Bench press, rows, step-ups
Resistance Bands #4 Great Value $20 - $60 ★★★★☆ None Banded exercises, warm-ups, rehab
Barbell + Plates #5 Upgrade $300 - $800 ★★★★★ Medium Squat, deadlift, bench, OHP
Power Rack #6 Upgrade $250 - $1000 ★★★★★ Large Safe heavy squats, bench, pull-ups
Kettlebell #7 Nice-to-Have $30 - $80 ★★★☆☆ Minimal Swings, goblet squats, Turkish get-ups
Cable Machine #8 Nice-to-Have $500 - $2000 ★★★★★ Large Isolation work, constant tension
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FAQ

Frequently Asked Questions

Straight answers to the most common fitness and weight loss questions.

To lose weight, you need to eat fewer calories than your body burns (a calorie deficit). Use our TDEE calculator above to find your maintenance calories, then subtract 300-500 calories for sustainable fat loss of about 0.5-1 lb per week. Avoid going below 1,200 calories (women) or 1,500 calories (men) without medical supervision, as this can slow metabolism and lead to nutrient deficiencies.
Intermittent fasting can be effective because it helps create a calorie deficit naturally by restricting your eating window. The 16:8 method (fast 16 hours, eat in an 8-hour window) is the most popular and sustainable approach. However, IF is not magic — it works because you tend to eat fewer total calories. If you eat the same amount in a shorter window, you won’t lose weight. It’s a tool, not a solution by itself.
Aim for 3-5 workout sessions per week combining both resistance training and cardio. Resistance training (weights) is critical because it preserves and builds muscle, which keeps your metabolism high. Cardio helps burn extra calories. Consistency matters far more than intensity — 3 good workouts per week beats 6 skipped ones.
TDEE stands for Total Daily Energy Expenditure. It represents the total number of calories your body burns in a day, including your Basal Metabolic Rate (BMR), the thermic effect of food, and physical activity. Knowing your TDEE is the foundation of any diet plan — eat below it to lose weight, at it to maintain, and above it to gain muscle. Our calculator above gives you a solid estimate to start with.
Protein powder is a convenience, not a necessity. If you can hit your protein target (0.7-1g per pound of body weight) through whole foods like chicken, fish, eggs, dairy, and legumes, you don’t need it. Supplements like creatine monohydrate (5g/day) have strong research support for strength and muscle building. Most other supplements are unnecessary for the average person.
For fat loss while preserving muscle, aim for 0.7-1 gram of protein per pound of body weight per day. For muscle building, the higher end (1g/lb) is recommended. A 170 lb person should eat 120-170g of protein daily. Spreading intake across 3-5 meals helps maximize muscle protein synthesis.
No. Building significant muscle mass requires years of dedicated heavy training, a caloric surplus, and often favorable genetics. Lifting weights while in a calorie deficit will make you look leaner and more toned, not bulky. This is especially true for women, who have roughly 1/15th the testosterone of men. Resistance training is one of the best things you can do for fat loss and body composition.
With consistent training and nutrition: you’ll feel better within 1-2 weeks, notice strength gains in 2-4 weeks, and start seeing visible body composition changes in 4-8 weeks. Fat loss of 1 lb per week means noticeable changes in about a month. Take progress photos monthly — the mirror and scale don’t tell the whole story.
The best cardio is the one you’ll actually do consistently. That said, a combination works best: 2-3 sessions of low-intensity steady-state (LISS) cardio like walking (30-45 min) plus 1-2 HIIT sessions (15-20 min) per week. Walking is underrated — 8,000-10,000 steps daily burns 300-500+ extra calories without the recovery cost of intense cardio.
Yes, this is called “body recomposition” and it’s most effective for beginners, people returning after a break, and those with higher body fat. Eat at a slight deficit (200-300 calories below maintenance), keep protein high (1g/lb), lift weights 3-4x per week, and prioritize sleep. Progress will be slower than either bulking or cutting alone, but you’ll transform your physique.
Extremely important. Studies show that poor sleep (less than 7 hours) increases hunger hormones, reduces insulin sensitivity, impairs recovery, and can cause your body to lose more muscle and less fat during a diet. Aim for 7-9 hours of quality sleep per night. Good sleep hygiene — consistent bedtime, dark room, no screens before bed — is a game-changer for body composition.
If your goal is strength or muscle building, do weights first when you have the most energy. If your primary goal is endurance, do cardio first. For fat loss, the order matters less than total effort, but most experts recommend weights first because form and strength suffer when fatigued. Ideally, separate cardio and weight sessions by several hours or do them on different days.
Before: Eat a meal with protein and carbs 1-3 hours before training. Something like chicken and rice, oatmeal with protein, or a banana with Greek yogurt works well. After: Have a protein-rich meal within 1-2 hours post-workout. The “anabolic window” isn’t as narrow as once believed — total daily protein intake matters more than exact timing.
Plateaus happen because your body adapts. As you lose weight, your TDEE decreases (smaller body burns fewer calories). Common fixes: recalculate your TDEE at your new weight, track food more accurately (hidden calories add up), increase NEAT (non-exercise activity like walking), add a slight deficit, or take a diet break at maintenance for 1-2 weeks to reset hormones. Plateaus lasting 2+ weeks are real; day-to-day fluctuations are water weight.
Absolutely. Carbs don’t cause weight gain — excess calories do. Carbs fuel your workouts, support recovery, and keep your mood stable. Focus on complex carbs (oats, rice, potatoes, whole grains, fruits) and time them around workouts for best performance. Low-carb diets work for some people because they reduce overall calorie intake, not because carbs are inherently fattening.
Motivation fades — build systems instead. Track your workouts and celebrate consistency, not just results. Find a form of exercise you enjoy. Set process goals (“go to the gym 3x this week”) not just outcome goals (“lose 20 lbs”). Take progress photos. Find a workout partner or community. Remember that missing one workout doesn’t erase your progress — just get back on track the next day.
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Disclaimer

Medical Disclaimer

⚠️

This website is for educational and informational purposes only. The content on FitPath is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician, registered dietitian, or other qualified health provider with any questions you may have regarding a medical condition or before starting any diet, exercise, or supplementation program.

Individual results may vary. Calorie and macro calculations are estimates based on population averages. The workout programs provided are general guidelines and may not be appropriate for everyone. If you experience pain, dizziness, or discomfort during exercise, stop immediately and consult a healthcare professional.

FitPath does not assume any liability for injuries or damages resulting from the use of information provided on this website. By using this site, you agree that you do so at your own risk.

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FitPath

Science-based weight loss and fitness education. Free guides, calculators, and workout plans to help you reach your goals.

Guides
  • Calorie Deficit Guide
  • Intermittent Fasting
  • Meal Prep Guide
  • Beginner Strength
  • HIIT vs Cardio
Tools
  • TDEE Calculator
  • BMI Calculator
  • Macro Calculator
  • 1RM Calculator
  • Workout Plans
Resources
  • Diet Comparison
  • Equipment Guide
  • FAQ
  • Disclaimer

© 2026 FitPath. All rights reserved. For informational purposes only.

Not medical advice. Consult a healthcare professional before starting any program.

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