Accuracy
Are AI calorie counters accurate? What a 2026 NIH study found
A 2026 NIH study found photo calorie apps under-counted meals by about a third, and AI chatbots miss by about 36%. Why estimates miss and how to get closer.
7 min read
Blog
Guides for eating with intention
Practical, sourced articles on calories, protein, fasting and the habits that make tracking stick.
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How Calorix works
How Calorix calculates your calorie target and macros
The exact formulas behind your Calorix targets: Mifflin-St Jeor BMR, activity factors, pace limits, calorie minimums, protein, fat, carbs, fiber and water.
8 min read
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Weight loss
Calorie deficit but not losing weight? 9 reasons and what to do
Not losing weight in a calorie deficit? Usually it’s under-counting, water weight or a target set too high. Nine evidence-based reasons and a two-week check.
6 min read
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Accuracy
Can ChatGPT count calories from a photo? What the studies found
ChatGPT can estimate calories from a food photo, but published tests found about 36% average error. What the research says, better prompts, and what an app adds.
5 min read
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Fasting
16:8 intermittent fasting: a practical, evidence-based guide
What 16:8 fasting is, sample schedules, what trials and a 2026 Cochrane review really show, who should skip it, and practical tips to make it work for you.
6 min read
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Logging tips
Calories in common restaurant meals (and how to log them)
What research says about restaurant meal calories, where the hidden ones come from, and a simple step-by-step way to log eating out without stress.
7 min read
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GLP-1
GLP-1 medications and protein: targets, foods and how to track it
What a 2025 joint nutrition advisory says about protein on GLP-1 medications, plus easy protein foods, small-meal ideas and a simple way to track it.
7 min read
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Habits
How to build a food logging streak that lasts
What research says about self-monitoring and habit formation, plus practical ways to keep logging through busy days, weekends, travel and sick days.
6 min read
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Logging tips
How to estimate portions from a photo (and fix the AI's guess)
Photo tips for better portion estimates, what research says about hand measures, USDA benchmarks for common foods, and how to correct an AI calorie estimate.
6 min read
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Nutrition
Protein targets explained: how much you need and why
From the 0.8 g/kg RDA to the new 1.2 to 1.6 g/kg guideline: what research says about protein for training, weight loss and aging, and how Calorix sets yours.
7 min read
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