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Fitness & longevity guides
Plain-English articles on the topics that matter most for your health. Every guide is free — no sign-up, no catch.
What is BMI? A Simple Guide
Learn what BMI measures, how it's calculated, and when it's useful — explained in plain English.
What is TDEE? Understanding Your Daily Calorie Burn
Your TDEE is the total calories you burn each day. Learn how it works and why it matters for weight management.
What is VO2 Max? The Key Longevity Metric
VO2 max measures how well your body uses oxygen. It's one of the strongest predictors of how long you'll live.
Heart Rate Zone Training: A Beginner's Guide
Learn how to use heart rate zones to train smarter, burn fat, and build endurance.
BMI vs Body Fat: Which Matters More?
BMI is simple but limited. Body fat percentage tells a fuller story. Here's when to use each.
How to Calculate Your Macros
A step-by-step guide to figuring out how much protein, carbs, and fat you need each day.
What is Biological Age and Can You Change It?
Your biological age reflects how well your body is really doing. The good news: you can lower it.
Resting Heart Rate: What's Normal by Age?
See healthy resting heart rate ranges by age and gender, and learn what yours means for your health.
Healthy Body Fat Percentage by Age & Gender
See what's considered healthy body fat for your age and gender, from essential fat to above average.
How Much Protein Do You Really Need?
The science-backed answer to daily protein intake — for weight loss, muscle gain, and general health.
Longevity workouts shaped by your every measured muscle.
Talala estimates your strength map from your own logged sets, then builds every workout to close the gaps it finds. You finally know how to improve instead of following someone else's plan.