Practical, evidence-based guides on calorie counting, nutrition, and healthy eating, to help you reach your goals without the guesswork.
Cooked skinless chicken breast has about 165 calories and 31 g of protein per 100 g, while light tuna canned in water has about 86 calories and 19 g. Here is how they compare per 100 g, per portion, and by goal, with USDA-backed numbers.
Every major health body puts the daily sodium limit at about 2,000 to 2,300 milligrams, roughly a teaspoon of salt, and most people eat far more. Here is the limit by authority, how to convert salt to sodium, how much is in the foods you actually eat, and where to cut first.
DASH was built in an NIH trial to lower blood pressure with food alone, and it worked. Here is what the plan actually asks of you, day by day, and what the research behind it found.
Cooked white rice has about 130 calories per 100 g and brown rice about 123, or roughly 205 versus 194 per cup. The real difference is fiber, not calories. Here is the full comparison with USDA-backed numbers.
Half an hour of steady freestyle burns around 215 calories for a 70 kg swimmer, and hard laps roughly 360. Here is the full table by stroke, effort and body weight, with the formula behind every number.
Health authorities agree on the ceiling: under 10 percent of calories from added sugars, about 50 grams a day, and less is better. Here is what counts as sugar, what does not, how much is in the foods you actually eat, and where to cut first.
A cup of whole milk has about 149 calories, 2% about 122, 1% about 102, and skim about 83, while protein stays near 8 g in all four. Here is what changes, what does not, and which to pick, with USDA-backed numbers.
How accurate are AI calorie counting apps, really? What the research shows about food recognition, why no calorie count is ever exact, and the simple habits that make any app reliable enough to change your weight.
Most adults need 25 to 38 grams of fiber a day and get about 16. Here are the targets by age and calorie level, what the numbers are based on, and a food table plus a sample day that gets you there without the bloat.
A medium baked sweet potato has about 103 calories and is naturally low in fat, with plenty of fiber and vitamin A. Here is the full breakdown by preparation and serving size, with USDA-backed numbers.
A high-protein diet helps with weight management through satiety, muscle retention, and a higher thermic effect. Here is what counts as high-protein, why it works, and how to build one, with a g/kg-by-goal table.
Your daily calorie burn is mostly your resting metabolism, not exercise. Learn the three parts of total daily energy expenditure, how to estimate yours with the Mifflin-St Jeor equation, and why every estimate is just a starting point.
Dark chocolate at 70-85% cocoa has about 598 calories per 100 grams and 60 per 10 g square. Here is the full breakdown for dark, milk, and white chocolate, with USDA-backed numbers.
How many calories you should eat a day, with real estimated ranges by age, sex, and activity from the Dietary Guidelines, plus how to find your own number to maintain, lose, or gain weight.
Cycling can burn anywhere from about 250 to over 700 calories an hour depending on how hard and how heavy you ride. Here is the science, a full table, and why the real number varies.
A cup of black brewed coffee has about 2 calories. The calories in a latte, cappuccino, or mocha come almost entirely from the milk and syrup, not the coffee, with USDA-backed numbers.
A clear, evidence-based answer to how many carbs you need a day, with gram targets by calorie level, the 45-65% range, lower-carb options, fiber, and how to set your own number.
Running burns a lot of calories per minute, but the exact number depends on your body weight and pace. Here is the MET-based math, a full table, and how it compares to walking.
A slice of cheese pizza runs about 285 calories and pepperoni about 300, based on USDA FoodData Central. Here is the full breakdown per slice and per 100 grams by type and crust.
A clear, evidence-based answer to how much fat to eat a day, with gram targets by calorie level, saturated fat limits, and a simple way to set your own number.
Walking burns roughly 100 to 250 calories per half hour depending on your weight and pace. Here is how to estimate your own number, and how to make it count.
Cooked top sirloin has about 219 calories and 29g of protein per 100 grams. Here is the full breakdown by cut and serving size, with USDA-backed numbers.
A step-by-step guide to reading the Nutrition Facts label: start with serving size, then calories, % Daily Value, and added sugars, and put it to work tracking what you eat.
The famous 10,000-step goal came from a 1960s Japanese ad campaign, not a study. Here is what steps really burn, what the science says, and how to pick a target that helps you lose weight.
Intermittent fasting is an eating schedule, not a magic diet. Here is how the popular methods work, what the evidence says, how to start, and who should skip it.
BMR and TDEE are the two numbers behind every calorie target. Learn what each one means, how the standard equations estimate them, and how to put them to work.
Body fat percentage tells you what your weight is made of. Learn the healthy ranges for women and men, how each measurement method compares, and how to lower it the right way.
Is intermittent fasting better than counting calories? The honest, evidence-based answer: both work through a calorie deficit, head-to-head trials show similar results, and adherence decides the winner.
Forget the one-size-fits-all rule. Learn the real water intake guidelines, why the 8-glasses idea is a rough floor at best, and the simple signals that tell you when you have had enough.
Both diet and exercise matter, but they do different jobs. Here is what the research says about which one drives weight loss, which one keeps it off, and how to use both.
A plain-English, evidence-based guide to the ketogenic diet: what it is, how it really works for weight loss, what to eat and avoid, the keto flu, and who should be cautious.
Raw broccoli has about 34 calories per 100 grams and roughly 31 per cup chopped. Here is the full breakdown by serving size, plus raw vs cooked, with USDA-backed numbers.
Small swaps that lower energy density or add protein and fiber add up over time. Here are 50 easy upgrades, with approximate calories saved from USDA data.
The Mediterranean diet is an eating pattern built on olive oil, vegetables, legumes, whole grains, fish, and nuts. Here is what it is, the evidence behind it, and how to start.
Cheddar cheese has about 403 calories per 100 grams and 113 per 1 oz slice. Here is the full breakdown by type, from mozzarella to feta, with USDA-backed numbers.
Meal prep makes eating well almost automatic. Here's a beginner-friendly way to plan, batch-cook, and portion meals you'll actually look forward to.
A clear, evidence-based answer to how much protein you need a day, with g/kg targets by goal, worked examples in kg and lb, and simple per-meal guidance.
Cooked 80/20 ground beef has about 246 calories per 100 grams and roughly 278 per 4 oz. Here is the full breakdown by lean-to-fat ratio, with USDA-backed numbers.
New to weight loss and not sure where to begin? Follow these six simple, science-backed steps to start losing weight without crash diets or confusion.
Counting macros means tracking what your calories are made of. Here is a simple four-step method, a worked example, and how to log it day to day.
One cup of whole milk has about 149 calories, 2% has 122, 1% has 102, and skim has 83. Here is the full breakdown by serving size and fat level, with USDA-backed numbers.
You are counting calories and the scale will not move. Here are 9 real, evidence-based reasons weight loss stalls in a deficit, and what to do about each.
Eating well does not have to be expensive. Here are practical, USDA-backed strategies, a cheap healthy staples list, and easy meals to eat better for less.
Light tuna canned in water has about 86 calories and 19g of protein per 100g, while the same tuna canned in oil is roughly 198. Here is the full breakdown by serving and type, with USDA-backed numbers.
Stalled on the scale? Here is what a real weight loss plateau is, why it happens, and seven evidence-based ways to get the scale moving again.
Eating out is part of a normal life, not a cheat. Here are simple, science-backed ways to enjoy restaurants and still stay on track with your goals.
A raw banana has about 89 calories per 100 grams, so a medium banana is around 105 calories. Here is the full breakdown by size, with carbs, sugar, and fiber from USDA data.
A safe, sustainable pace is about 1 to 2 lb a week, or roughly 4 to 8 lb a month. Here are the realistic ranges and the science behind them.
There is no magic macro ratio. Set calories in a deficit, push protein high, keep fat sensible, and fill the rest with carbs. Here is exactly how to do it.
A medium baked potato has about 160 calories and is naturally low in fat. Here is the full breakdown by preparation and serving size, with USDA-backed numbers.
A simple, evidence-based guide to the calories you need to lose weight - plus a free calculator and a safe deficit that actually sticks.
Macros are protein, carbs, and fat, the three nutrients that make up every calorie you eat. Here is what each one does and how they fit together.
A one-ounce serving of almonds (about 23 nuts) has roughly 164 calories, 6g of protein, and 14g of fat. Here is the full breakdown by serving size, with USDA-backed numbers.
You don't need a kitchen scale to track calories well. Here's how to estimate portions reliably using your hands, everyday objects, labels, and smart tools.
A medium apple with skin has about 95 calories, around 4 grams of fiber, and natural sugar. Here is the full breakdown by size and how it fits a calorie budget, with USDA-backed numbers.
A calorie deficit is the engine behind weight loss. Learn what it is, how big it should be, and how to create one in a way that actually lasts.
Raw avocado has about 160 calories per 100 grams, most of it heart-healthy monounsaturated fat, plus nearly 7 grams of fiber. Here is the breakdown by serving size, with USDA-backed numbers.
A slice of white bread has about 75 calories and a slice of whole wheat about 80. Here is the full breakdown by type and slice size, with USDA-backed numbers.
Cooked skinless chicken breast has about 165 calories and 31g of protein per 100g. Here is the full breakdown by serving size and cooking method, with USDA-backed numbers.
Plain nonfat Greek yogurt has about 59 calories and 10g of protein per 100g. Here is the full breakdown by fat type and container size, with USDA-backed numbers.
Half a cup of dry oats has about 150 calories, and a cup cooked with water is about 166. Here is the full breakdown by serving, oat type, and toppings, with USDA-backed numbers.
Plain cooked pasta has about 158 calories per 100g, and a 1 cup serving is roughly 221 calories. Here is the full breakdown for cooked, dry, and whole-wheat, with USDA-backed numbers.
Peanut butter has about 94 calories per tablespoon and 188 per 2-tablespoon serving, with protein and mostly unsaturated fat. Here is the full breakdown, with USDA-backed numbers.
Cooked white rice has about 130 calories per 100 grams and roughly 205 per cup. Here is the full breakdown by serving size, plus white vs brown, with USDA-backed numbers.
Cooked farmed Atlantic salmon has about 206 calories, 22g of protein, and 12g of fat per 100g, much of it omega-3. Here is the full breakdown by serving and type, with USDA-backed numbers.
A practical, USDA-backed list of 40+ high-protein foods with calories and protein per serving, plus simple tips for hitting your target on any budget or diet.
A large egg has about 72 calories and 6g of protein. Here is the full breakdown by egg size and cooking method, with USDA-backed numbers you can trust.
Some foods fill you up for almost no calories. Here is the science of what makes food filling, plus a list of low-calorie, high-satiety foods with real numbers.
How many calories are in your favorite fruits? A USDA-backed chart of 22 common fruits, plus how to fit them into a weight-loss plan.
Learn how to count calories accurately, find your daily calorie needs, and use a calorie deficit to reach your goals, without the guesswork.
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8 articles →Calorie and nutrition breakdowns for the everyday foods you eat most.
30 articles →Evidence-based guides to popular diets and eating patterns, what works, what does not, and how to choose the one you can actually stick with.
6 articles →Evidence-based guides to how many calories exercise burns, and how movement fits a weight-loss plan: honest numbers, MET-based estimates, no hype.
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