Creatine Dose Calculator: How Much to Take
Work out your creatine dose from your body weight, with or without a loading week, using the International Society of Sports Nutrition figures. Nothing is stored, and there is no sign-up.
Low Testosterone Symptom Checker (ADAM Questionnaire)
Ten yes-or-no questions from the ADAM screening questionnaire. It flags a pattern worth testing for; it cannot measure a hormone, and it also flags many men whose levels are normal. Nothing is stored.
Body Fat Calculator for Men (US Navy Method)
Estimate your body fat from three tape measurements using the US Navy method for men. It comes with a real error margin, shown honestly as a range, and is best used to track change over months. Nothing is stored.
Waist-to-Height Ratio Calculator for Men
Measure your waist, enter your height, and see which central-adiposity band you fall into under the NICE guidance. It works where BMI struggles, including for men carrying a lot of muscle. Nothing is stored.
Water Intake Calculator for Men
Get a rough daily fluid target from your weight and training load, in line with the EFSA and US National Academies figures for men. A general estimate, not a strict rule. No sign-up.
Calorie Calculator for Men (BMR & TDEE)
Estimate the calories your body uses each day with the Mifflin-St Jeor equation for men. Enter your details to see a maintenance figure to work from, then adjust it for fat loss or muscle gain. Nothing is stored.
BMI Calculator for Men
Enter your height and weight to see your BMI and which range it falls in. BMI is a screening number, not a diagnosis, and it cannot tell muscle from fat, so read it with the notes below. Nothing is stored.
Protein Calculator for Men: Daily Target
Enter your weight and how active you are to see a realistic daily protein range, based on the same evidence as our protein guide. Nothing is stored, and there is no sign-up.
The testosterone blood test explained: total, free and what your number means
How total and free testosterone tests work, why timing matters, what a result below 300 ng/dL can mean, and which laboratory tests may come next.
Do testosterone boosters work? What the evidence actually shows
An honest, ingredient-by-ingredient look at testosterone boosters: what the human trials found, which ingredients do nothing, and what to do instead.
How much protein do men actually need?
The official minimum, the amount that supports muscle, and what changes after 50. Real numbers for your body weight, plus how to spread protein across the day.
Muscle loss with age: how fast it happens and how to stop it
Muscle starts declining in your 30s and the loss speeds up after 65. What the numbers really are, and the training and protein that reverse it at any age.