Our health & nutrition guides
Clear, reliable resources to better understand your diet and achieve your goals.
Lifestyle
Cal AI review: cost and free version
The 3-day trial, App Store prices in 2026, user ratings, photo accuracy and how to cancel.
Read moreLifestyle · Oct 28
BitePal reviews, cost and how to cancel
What is free, what the subscription costs in 2026, user ratings and how to cancel on iPhone, Android and the web.
Lifestyle · Oct 28
MacroFactor review: cost and free trial
2026 prices by country, a 7-day trial but no free version, supported languages and the Workouts app. What MacroFactor is worth before you pay.
Lifestyle · Oct 28
Yazio vs MyFitnessPal: which one to pick in 2026?
App Store prices by country, free version, barcode scanner, AI photo logging, fasting and ratings: the two apps compared point by point.
Fitness · Oct 28
Padel: how many calories do you burn?
About 420 kcal per hour at 70 kg in a friendly match. Tables by weight and duration (1 h, 90 min, 2 h), beginner vs advanced, padel vs tennis and net calories.
Fitness · Oct 28
Apple Watch calories burned: how accurate is the count?
Active vs total calories, a 28% average error in studies, the settings that help and how much of your active calories to eat back.
Fitness · Oct 28
Downhill and cross-country skiing: how many calories do you burn?
Per hour and over a real day with lift time: about 1,225 kcal for 5 hours on the slopes at 70 kg, and cross-country burns far more.
Nutrition · Oct 28
Subway calories: 6-inch, footlong, breads and sauces
The calories in every Subway sandwich as a 6-inch and a footlong from Subway’s official sheets, plus breads, sauces, cookies and a light, high-protein build.
Nutrition · Oct 28
Starbucks calories: latte, Frappuccino and PSL by size
The calories in Starbucks drinks as a Tall, Grande and Venti from the official sheets, with the effect of milk, syrups and whipped cream, plus bakery items.
Nutrition · Oct 28
How many calories in a beer? 330 ml, pint, alcohol-free
About 130 kcal for a 330 ml lager. Tables by serving and style, alcohol-free and light beer, Heineken, and how beer compares with wine and soda.
Lifestyle · Oct 27
Foodvisor review: cost and free version (2026)
What Foodvisor does for free, Premium prices on the App Store by country, user ratings and how to cancel.
Lifestyle · Oct 27
Lifesum review: cost and free version (2026)
What Lifesum does for free, Premium prices on the App Store by country, user ratings and how to cancel.
Nutrition · Oct 27
Banana calories: by size, per 100 g, ripe or dried
Calories in a banana by size, per 100 g and with the peel, green vs ripe, dried, chips and plantain, plus snacks and bananas for exercise.
Nutrition · Oct 27
How many calories in an apple?
About 80 kcal for a medium apple. Tables by size, with or without skin, by variety, plus applesauce, juice and dried apple.
Nutrition · Oct 27
How many calories in a melon?
34 to 60 kcal per 100 g depending on sweetness: calories in a slice, half and whole melon. Cantaloupe, honeydew, galia and melon with ham compared.
Nutrition · Oct 27
Watermelon calories: per slice, per kilo and whole
Watermelon calories per 100 g, per slice, per kilo and whole with the rind, plus its sugar, glycaemic index and place in a weight-loss diet.
Nutrition · Oct 27
Potato calories: boiled, baked, fries, crisps
81 kcal per 100 g boiled, 91 baked, 258 as fries and 532 as crisps. Calories by cooking method, per potato by size and compared with sweet potato.
Nutrition · Oct 27
Kinder Bueno calories: bar, pack, White and mini
One Kinder Bueno bar has 122 kcal, the pack of two 244 kcal. Sugar, fat, the White, Dark and mini versions, ice cream and what changes between countries.
Nutrition · Oct 22
Egg calories: boiled, fried, scrambled and by size
Calories in an egg by size (S to XL), white vs yolk, cooking method and dishes (omelette, bacon), plus cholesterol and how many eggs a day.
Weight & fitness · Oct 22
Lose 5 kg in a month: is it possible?
The honest maths (7,700 kcal per kg of fat), what the scale shows in week one, the recommended pace and a realistic 4-week plan.
Nutrition · Oct 22
Christmas dinner calories: the plate, the day and the real weight gain
Calories in roast turkey, roast potatoes, pigs in blankets, Christmas pudding and drinks (CoFID data), a meal calculator and real festive weight gain.
Nutrition · Oct 22
Raclette calories: cheese, cured meats and a full meal
Calories in raclette cheese (150 to 250 g), potatoes, cured meats and wine (Ciqual data), a calculator and a lighter raclette night.
Fitness · Oct 22
Calories burned cycling: how many do you really burn?
Calories burned cycling by weight and speed (2024 Compendium): city, commuting, road, mountain bike, e-bike, stationary bike, calories per mile and weight loss.
Nutrition · Oct 22
How much protein per day? The chart by body weight
Grams needed from 50 to 110 kg and by profile, the new 2026 US guidelines versus European references, and protein per food portion.
Nutrition · Oct 22
Pasta and rice calories: cooked vs dry chart
Why 100 g of cooked pasta is not 100 g of dry pasta: a raw-to-cooked chart (Ciqual data) for grains, pulses and meat, and how to weigh your food accurately.
Nutrition · Oct 22
Pizza calories: per slice, half and whole pizza
Margherita, ham and mushroom, four cheese, calzone: calories per slice and per pizza (Ciqual data), thin or thick crust, a calculator and tips.
Nutrition · Oct 22
Halloween candy calories: the piece-by-piece table
Calories and sugar in Haribo, Freddo, Funsize bars and Kinder, piece by piece, and what a trick-or-treat bag adds up to.
Health · Oct 22
How many calories do you burn while sleeping?
Calories burned sleeping by body weight (7, 8 and 9-hour chart), calories burned doing nothing and the real link between short sleep, hunger and weight.
Nutrition · Oct 22
Croissant calories: pastries and bakery breakfasts
Calories in croissants, pain au chocolat and other pastries (Ciqual data), a bakery breakfast calculator and more filling swaps.
Lifestyle · Oct 22
Noom review 2026: cost, how it works and studies
Real prices by country, psychology lessons, food colors, available languages, Noom Med, the studies and the alternatives: our full Noom review.
Nutrition · Oct 22
Sushi calories: maki, nigiri, California rolls and platters
Calories per piece (maki, California rolls, nigiri, sashimi), 12, 18 or 24-piece platters, sauces, a meal calculator and the lightest picks.
Fitness · Oct 22
Japanese walking: what the 3-3 method really does
3 minutes fast, 3 minutes slow, 5 times: the real results of the Japanese studies, calories burned by body weight and a 4-week plan.
Nutrition · Oct 22
AI calorie counter accuracy: what studies show
How accurate photo calorie apps really are, what fools the AI and 7 habits for reliable estimates, based on 2025 and 2026 studies.
Lifestyle · Oct 22
Is MyFitnessPal free? Free vs Premium in 2026
What MyFitnessPal’s free plan includes, what moved to Premium (barcode scanner, Meal Scan), Premium prices by country and free alternatives.
Lifestyle · Oct 22
Is Yazio free? Free vs PRO in 2026
What Yazio’s free version includes, what needs PRO (AI photo scan, fasting plans, recipes), Yazio PRO prices by country and free alternatives.
Health · Oct 22
Wegovy pill and orforglipron: GLP-1 pills explained
Approval status in the UK and Europe, OASIS 4 and ATTAIN-1 trial results, side effects and how to eat well when your appetite drops.
Nutrition · Oct 21
KFC calories: full table and meals under 700 kcal
Calories in KFC France menu items, a meal calculator and combinations under 700 kcal.
Nutrition · Oct 21
Kebab calories: sandwich, chips, sauces and meals
Calories in a pitta or baguette kebab, chips and sauces (Ciqual data), a meal calculator and 5 lighter kebab meals.
Fitness · Oct 7
15,000 steps: how many calories do you burn?
Calories by body weight, distance, walking time and weight lost per month, with a calculator.
Fitness · Oct 7
20,000 steps: how many calories do you burn?
Calories by body weight, distance, walking time, weight loss and risks, with a calculator.
Health · Oct 5
Weight loss and muscle: lessons from RESET
A type 2 diabetes trial tested a supervised diet and exercise programme. Here is what it found and what remains uncertain.
Health · Oct 5
Body clock and fat metabolism
A cellular discovery connects circadian timing, food and temperature without defining an ideal eating time.
Fitness · Sep 29
HYROX: how many calories do you burn?
A practical estimate by body weight, race time and intensity, with the calculation and watch limitations.
Fitness · Sep 29
Incline walking: how many calories do you burn?
Treadmill incline, the 12-3-30 method and measured results from small lab studies.
Fitness · Sep 29
The incline walking method: how to get started
How to do incline walking and 12-3-30, build up as a beginner, and understand its role in a calorie deficit.
Nutrition · Sep 24
Ultra-processed foods and mood: what does the evidence say?
A new study has renewed interest in diet and mental health. Here is what it found, and what remains uncertain.
Nutrition · Sep 22
High-Protein Foods: Are They Really Healthy?
Protein bars, yogurts, cereals and drinks: learn how to read labels and separate nutritional value from marketing.
Health · Sep 22
GLP-1 and weight loss: the scale is not the whole story
GLP-1 treatments can lead to weight loss, but the scale cannot distinguish fat, water and muscle. Learn which markers matter.
Nutrition · Sep 22
Fibermaxxing: should you really eat more fibre?
This TikTok trend puts fibre back in the spotlight. Learn about its benefits, limits and how to increase fibre gradually.
Weight · Jul 28
Not Eating Enough to Lose Weight: Why It Holds You Back
An excessive deficit can reduce your energy, activity and muscle mass. Learn how to create a more effective and sustainable calorie deficit.
Weight · Jul 27
Visceral Fat: Foods to Limit and Foods to Favor
Drinks, foods, and simple meals to support better metabolic health day after day.
Nutrition · Jul 10
Apple Cider Vinegar: Myths and Real Benefits
Does apple cider vinegar really help you lose weight? Discover its real effect on blood sugar, satiety, and how to consume it safely.
Fitness · Jul 7
Jump Rope: How Many Calories Do You Burn?
10 minutes of jump rope can match 30 minutes of jogging. Discover the real numbers and benefits of this full-body exercise.
Health · Jul 2
Bloating After Meals: Why It Happens and How to Ease It
Understand why your stomach bloats after eating and discover simple habits to feel more comfortable digestively, every day.
Weight · Jul 1
Yo-Yo Dieting: Why Weight Comes Back After a Diet
Understand the biological mechanism behind weight regain after a diet, and how to finally break this cycle for good.
Lifestyle · Jun 30
Dietary Rebalancing: Eating Better Without Dieting
Discover how to sustainably transform your eating habits without restrictions or frustration, using the principles of dietary rebalancing.
Weight · Jun 20
Body Fat Percentage: The Number That Tells You More Than Your Weight
How to measure your body fat percentage, what counts as a healthy range, and how to lower it sustainably.
Health · Jun 18
Electrolytes and Intermittent Fasting
Why fasting disrupts your sodium, potassium and magnesium balance, and how to avoid deficiencies.
Health · Jun 16
Anti-aging diet: the best foods to age well
Antioxidants, omega-3, proteins: discover how your diet can slow cellular aging and keep you healthy and energetic.
Health · Jun 16
Diet and immunity: strengthen your natural defenses
Vitamins, proteins, microbiome, sugar: discover how diet directly influences your immune system.
Fitness · May 2
What to eat before exercise for better performance
Carbs, protein, timing: discover how to build the perfect pre-workout meal to maximize your athletic performance.
Nutrition · Apr 22
Complex Carbs: Lasting Energy
Learn the difference between complex and simple carbohydrates, and why the right carbs are your allies for energy and satiety.
Weight · Apr 21
Alcohol and weight: what your drink really does
Alcohol blocks fat burning, disrupts your hormones and harms your sleep. Discover the mechanisms and strategies to stay on track.
Fitness · Apr 19
HIIT: how many calories do you burn?
20 minutes of HIIT can match an hour of jogging. Discover the real calorie numbers and the afterburn effect of HIIT training.
Weight · Apr 18
Weight Loss Plateau: Why It Stalls and How to Restart
Understand why your weight loss has stalled and discover concrete strategies to break through the plateau.
Nutrition · Apr 17
Healthy Snacks: When and What to Eat
Learn how to choose the right snacks to avoid cravings, stabilize your energy, and stay on track with your nutrition goals.
Health · Apr 16
Vitamin B12 Deficiency: The Fatigue That Sleep Won't Fix
Symptoms, causes and solutions: everything you need to know to maintain good vitamin B12 status every day, even while practicing intermittent fasting.
Health · Apr 15
Zinc Deficiency: The Silent Mineral Draining Your Immunity
Learn to recognize zinc deficiency symptoms, the best food sources, and how to optimize your daily zinc absorption.
Health · Apr 14
Iron Deficiency: What Your Fatigue Is Trying to Tell You
Symptoms, food sources, and absorption strategies: everything you need to know to maintain healthy iron levels every day.
Health · Apr 13
Caffeine and Metabolism: What Your Coffee Really Does for You
Discover how caffeine boosts metabolism, promotes fat burning, and fits into intermittent fasting.
Weight · Apr 12
Visceral Fat: Cardio, HIIT, and Strength Training
Understand visceral fat and learn how adapted physical activity can reduce it sustainably.
Health · Apr 10
Thyroid and Diet: Essential Nutrients for Thyroid Health
Discover which foods and nutrients support healthy thyroid function and how your diet directly influences your metabolism and weight.
Health · Apr 9
Leptin and Ghrelin: Understanding Your Hunger Hormones
Discover how leptin and ghrelin regulate your appetite and influence your weight, sleep, and fasting practice.
Health · Apr 7
Insulin Resistance: Causes and Solutions
Understand how insulin resistance develops and how to address it through intermittent fasting, diet, and lifestyle changes.
Health · Apr 6
Autophagy and intermittent fasting
Discover how intermittent fasting activates autophagy, the natural cellular cleaning and regeneration mechanism. Understand the biological basics for more informed fasting.
Health · Apr 4
Diet and Beautiful Skin: Anti-Acne and Anti-Aging
Discover which foods promote clear, youthful skin and how intermittent fasting can improve your complexion.
Nutrition · Apr 4
Plant-based proteins: sources and practical tips
Legumes, tofu, hemp seeds: discover the best plant-based protein sources and how to easily include them in your daily diet.
Lifestyle · Apr 3
16:8 Fasting: The Complete Guide
How the 16:8 fasting protocol works, its proven benefits, and how to start without mistakes. The world's most practiced intermittent fasting method, explained simply.
Health · Apr 2
Green tea and metabolism: real effects on weight loss
Does green tea really boost metabolism? Discover its active compounds, proven effects, and how to integrate it into your daily routine.
Fitness · Apr 1
Elliptical machine: calories burned and benefits
How many calories does an elliptical really burn? Real figures, key factors, and tips to maximise your sessions.
Fitness · Mar 31
Yoga and calories: how much do you really burn?
Hatha, vinyasa, hot yoga: the real calorie expenditure figures by yoga style, and how to make the most of your practice for your health.
Nutrition · Mar 30
Omega-3: Benefits, Sources and How to Avoid Deficiency
EPA, DHA, ALA: discover why omega-3s are essential to your health and how to get enough every day through food.
Lifestyle · Mar 29
5:2 Diet: Eat normally 5 days a week and lose weight
Two days of caloric restriction per week, five days of total freedom. Discover the 5:2 method, its proven benefits, and how to get started.
Fitness · Mar 28
Muscle recovery: everything you need to know
Why rest days are just as important as training sessions, and how to optimize your recovery to progress faster.
Lifestyle · Mar 27
Chrononutrition: eating at the right time to lose weight
Discover how to synchronize your meals with your biological clock to optimize your metabolism without a restrictive diet.
Fitness · Mar 26
Creatine: The Guide for Women
Strength, energy, bone health: everything women need to know about creatine, without the myths.
Health · Mar 26
Blood Sugar Spikes: 5 Tips After Meals
Learn how to avoid post-meal energy crashes with 5 simple, scientifically-backed strategies.
Fitness · Mar 26
Fasted Exercise: Benefits, Tips and Precautions
Does working out on an empty stomach really burn more fat? Discover what science says about fasted training and how to do it safely and effectively.
Nutrition · Mar 26
Ketogenic Diet: The Complete Guide to Understanding Keto
Ketosis, allowed foods, adaptation phase, and synergy with intermittent fasting. Everything you need to understand about the ketogenic diet.
Nutrition · Mar 25
What Happens When You Eat Too Much Added Sugar?
Blood sugar spikes, liver, addiction, weight gain: discover the physiological mechanisms triggered when you consume too much added sugar.
Weight · Mar 25
Basal Metabolic Rate: Everything You Need to Know for Better Weight Management
What is basal metabolic rate, how is it calculated, and what can you do to optimize it?
Nutrition · Mar 25
Anti-Inflammatory Diet: The 10 Key Foods
Blueberries, salmon, turmeric, olive oil... Discover the 10 foods that calm chronic inflammation and how to easily incorporate them into your daily routine.
Nutrition · Mar 25
Ultra-Processed Foods: How to Identify Them
Understand the NOVA classification and learn to read labels to identify ultra-processed products on your plate.
Nutrition · Mar 25
Mediterranean Diet: Benefits, Key Foods and Practical Tips
Olive oil, legumes, fish, fresh vegetables: discover why the Mediterranean diet is one of the most studied dietary models in the world and how to adopt it.
Health · Mar 25
Menopause and Nutrition: Managing Weight Gain and Symptoms
Why do women gain weight during menopause? How to adapt your diet to reduce hormonal symptoms and restore balance. A complete practical guide.
Health · Mar 25
Magnesium: 7 Signs of Deficiency and How to Fix It
Up to 80% of people don't get enough magnesium. Fatigue, cramps, anxiety, poor sleep: identify the signs and find out how to restore your balance.
Health · Mar 25
Gut Microbiome: The Complete Beginner's Guide
100 trillion bacteria live in your gut. Discover what the microbiome is, its role in your health and weight, and how to take care of it.
Lifestyle · Mar 25
Batch Cooking: Preparing Your Meals for the Week
Discover how dedicating two hours on Sunday can transform your eating habits for the entire week through batch cooking.
Health · Mar 25
Vitamin D: Why 75% of French People Are Deficient
Fatigue, frequent infections, low mood: three in four French adults lack vitamin D. Discover the causes, symptoms, and how to restore balance.
Lifestyle · Mar 24
Intermittent Fasting
Methods, biological mechanisms, and benefits of intermittent fasting: everything you need to understand and get started.
Health · Mar 24
Stress and Weight Gain
Discover why chronic stress promotes fat storage and how to take back control through targeted habits and mindful eating.
Fitness · Mar 23
Walk 10,000 Steps a Day: How Much Weight in a Month?
Precise calculations, key factors, and practical tips to understand what daily walking can truly do for your weight.
Health · Mar 22
BMI: Understanding and Calculating Your Body Mass Index
Formula, categories, limits for athletes, and alternatives: everything you need to know about BMI to interpret your result with perspective.
Fitness · Mar 21
Weightlifting vs Cardio: Which Is Better for Weight Loss?
Calories burned, EPOC effect, basal metabolic rate, and body composition: everything you need to choose the best weight loss strategy.
Nutrition · Mar 20
Zero calorie foods: myth or reality?
Cucumber, celery, lettuce: which foods are truly close to zero calories, why negative calories is a myth, and how to incorporate them into your diet.
Nutrition · Mar 19
How Much Protein Should You Eat Per Day?
Protein needs by goal (muscle gain, weight loss, maintenance), animal and plant sources, daily distribution, and common myths debunked.
Fitness · Mar 18
How Many Calories Does Running Burn?
Calorie data by speed, weight and terrain, kcal/km formula, comparison with swimming and cycling, tips to maximize burn.
Fitness · Mar 17
How Many Calories Does Swimming Burn?
Calorie data by stroke, weight and intensity, comparison with running and cycling, tips to maximize burn.
Fitness · Mar 16
How Many Calories Does Pilates Burn?
Calorie data by level and body weight, comparison with other activities, and tips to maximize expenditure.
Health · Mar 15
Cholesterol and diet: separating fact from fiction
HDL, LDL, myths about eggs and fats: what science actually says, and the foods that protect your lipid profile.
Lifestyle · Mar 14
How to eat healthy at a restaurant: our tips
Reading the menu, choosing your dishes, avoiding traps: everything you need to eat well when dining out, without sacrificing enjoyment.
Health · Mar 13
Hydration: how much water should you drink per day?
Daily water needs, signs of dehydration, hydrating foods and practical tips to stay well-hydrated throughout the day.
Nutrition · Mar 12
Sugar: health effects and how to reduce consumption
Diabetes, obesity, addiction: discover the effects of sugar on your health and concrete strategies to reduce your daily consumption.
Lifestyle · Mar 11
How to avoid food cravings?
Hormonal, emotional or blood-sugar cravings: discover the causes and concrete strategies to control your food urges.
Nutrition · Mar 10
Good fats
Omega-3, omega-9, olive oil, avocado: discover which fats to prioritize and how to balance your daily fat intake.
Nutrition · Mar 9
Top 10 fat-burning foods for weight loss
Satiating, easy-to-add foods that support a calorie deficit without frustration.
Nutrition · Mar 8
High-fiber foods
Artichoke, lentils, oats, chia seeds: discover the best sources of fiber and how to reach your 25-30 g per day.
Health · Mar 7
Water retention: understand and act
Causes, symptoms and practical solutions to reduce water retention and restore lightness and well-being.
Weight & fitness · Mar 6
Caloric deficit explained
Understand how to create a healthy, sustainable caloric deficit to lose weight without frustration.
Nutrition · Mar 5
How to prepare a low-calorie breakfast
Simple ideas, foods to prioritize, and pitfalls to avoid for a light, filling start.
Nutrition · Mar 4
Glycemic index: how does it work?
Understand GI, what affects it, and how to use it in daily choices.
Nutrition · Mar 3
Essential micronutrients
Vitamins, minerals, trace elements: discover why these nutrients are vital to your health.
Nutrition · Mar 2
Understanding macronutrients
Proteins, carbs, fats: learn the role of each macro and how to balance them for your goal.
Health · Mar 23
Sleep and Weight: The Hidden Link
Discover how the quality of your sleep influences your weight, your hunger hormones, and your metabolism.