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Evidence-based guides covering nutrition, training, body composition and cardio, each one linked to a free calculator so you can put the knowledge straight into practice.

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Nutrition
? Most Popular
What Is TDEE? Total Daily Energy Expenditure Explained
TDEE is the foundation of every nutrition goal. Learn how it's calculated, what the activity multipliers mean, and exactly how to use your number to lose fat or build muscle.
? 6 min read Read guide ?
Nutrition - 5 min read
How To Calculate Your Macros
Protein, carbohydrates and fat, learn what each macro does, how to split your calories, and how to actually hit your targets every day.
? 5 min read Read ?
Nutrition - 5 min read
How To Calculate A Calorie Deficit
How big should your deficit be? How fast is safe? What happens when fat loss stalls? Everything you need to know about cutting calories the right way.
? 5 min read Read ?
Nutrition - 4 min read
What Is A Calorie Surplus & How To Lean Bulk
Why a massive bulk doesn't work, how to calculate the right surplus, and how to minimise fat gain while maximising muscle growth.
? 4 min read Read ?
Nutrition - 4 min read
How Much Protein Do You Actually Need?
The research-backed answer on daily protein targets, timing, sources, and whether you can eat too much. UK context included.
? 4 min read Read ?
Nutrition - 4 min read
Should I Cut or Bulk? How To Decide
The honest answer to the most common gym question. How to read your current body composition and choose the right phase.
? 4 min read Read ?
Body Composition
Body - 5 min read
What Is BMI? UK Health Ranges Explained
What BMI measures, what it doesn't, the NHS healthy ranges, and why muscular people often get a misleading result.
? 5 min read Read ?
Body - 5 min read
How To Measure Body Fat At Home
The Navy method, skinfold calipers, DEXA scans, explained and compared. What's realistic to achieve at home and how accurate each method is.
? 5 min read Read ?
Body - 4 min read
What Is Your Ideal Body Weight?
The four formulas compared, why they differ, frame size adjustments, and why IBW is a starting point, not a rigid target.
? 4 min read Read ?
Body - 4 min read
How Long Will It Take To Lose Weight?
Realistic timelines for fat loss at different deficits, why the scale lies, and how to set expectations that keep you consistent.
? 4 min read Read ?
Strength Training
Strength - 6 min read
How Much Muscle Can You Realistically Build?
Realistic gain rates by experience level, why the ceiling exists, the role of genetics, and how consistency compounds over years of training.
? 6 min read Read ?
Strength - 5 min read
How To Calculate Your One Rep Max
Why 1RM matters, the 7 formulas compared, training percentage zones, and how to use your 1RM to build a smarter programme.
? 5 min read Read ?
Strength - 4 min read
What Is A Wilks Score?
How powerlifting compares strength across weight classes, what a good Wilks score looks like, and the difference between Wilks and IPF Points.
? 4 min read Read ?
Strength - 5 min read
How To Track Workout Volume For Muscle Growth
MEV, MRV, and optimal volume ranges per muscle group. How to structure your week, when to add sets, and when to deload.
? 5 min read Read ?
Cardio & Running
Cardio - 5 min read
How To Calculate Your Running Pace
Pace vs speed, how to use the race predictor, the 80/20 rule for training zones, and how to pace a race without blowing up at mile 8.
? 5 min read Read ?
Cardio - 5 min read
Heart Rate Training Zones Explained
Zone 2, Zone 5, and everything in between. How each zone develops different physiological adaptations and how to structure a training week.
? 5 min read Read ?
Cardio - 4 min read
How Many Calories Does Walking Burn?
The honest answer on steps and calorie burn, the truth about 10,000 steps, and how walking compares to running for weight loss.
? 4 min read Read ?
Lifestyle & Recovery
Lifestyle - 4 min read
How Much Water Should You Drink Per Day?
The myth of 8 glasses a day, how activity and climate change your needs, electrolytes, and whether coffee counts. UK guidelines included.
? 4 min read Read ?
Lifestyle - 4 min read
How Much Sleep Do You Need For Muscle Growth?
Why sleep is non-negotiable for gains, what happens hormonally during sleep, and practical tips for improving sleep quality when training hard.
? 4 min read Read ?
Lifestyle - 3 min read
Is My Gym Membership Worth It?
How to work out the real cost per session, what to compare it to, and when a home gym or no gym might actually make more sense.
? 3 min read Read ?