A working directory for anyone serious about fiber. Start with the ideas, reach for a tool when you need a number, and pull a recipe when it is time to cook.
What fibermaxxing means, why soluble and insoluble fiber behave differently, and how much you actually need.
Read the chapterIIHow fiber feeds the gut bacteria that govern digestion, immunity, and mood, and how quickly the ecosystem responds.
Read the chapterIIIThe foods worth building meals around, and how to raise your intake steadily without the bloat.
Read the chapterStandard body mass index calculation with clinical classification.
Basal Metabolic Rate estimator using Mifflin-St Jeor.
Total Daily Energy Expenditure based on activity.
Calculate daily protein needs for your activity level.
Recommended fiber intake by age and calories.
Estimate how much water to drink each day based on your body weight, activity, and climate.
Estimate your daily fiber from what you actually eat, and see how close you are to a healthy target.
Find the daily calories to reach your weight goal, based on your body and how fast you want to go.
Turn your daily calories into grams of protein, carbs, and fat for your chosen approach.
See a healthy weight range for your height, plus a classic ideal-weight estimate.
Estimate your body fat percentage from simple tape measurements using the U.S. Navy method.
Estimate how many calories an activity burns based on your weight and how long you do it.
Estimate the most you can lift for a single rep from a set you have already done.
Find your training heart rate zones so your cardio lands at the right intensity.
Work out your pace per mile and speed from any distance and time.
A quick health check that many researchers consider more telling than BMI.
See the daily added-sugar limit recommended for you, in grams and teaspoons.
Estimate your cardiovascular fitness from your age and resting heart rate, no lab needed.
Estimate how much of your weight is lean tissue rather than fat.
A simple measurement that reflects how your body stores fat and its health risk.
Work out the net carbs in a food for low-carb and keto tracking.
See your eating and fasting windows and when your next meal can be.
Estimate the calories and distance from your daily step count.
Find the best bedtimes to wake up refreshed at the end of a sleep cycle.