Calorie counting
The alcohol calorie calculator: grams of ethanol and a standard drink of 8, 10 or 14 g
The alcohol calorie calculator shows two numbers: the energy in what you drank and the grams of pure ethanol.
Blog
Every article takes a claim you have already heard about food and follows the mechanism behind it — what actually happens in the body, what the research supports, and where the claim stops being true.
Nutrition
Sugar a day by WHO: what counts as free sugars and how the calculator works
WHO recommends that free sugars supply less than 10% of your energy intake, and ideally less than 5%: at 2,000 kcal that is under 50 g and under 25 g.
Calorie counting
The FoodGPT raw vs cooked weight calculator: how it works and where it goes wrong
The calculator converts the weight of raw food into cooked weight and back, and counts calories from the raw food: cooking changes the weight, not the calories.
Ingredients and additives
Phosphates in food: what EFSA calculated and where to find them on the label
In 2019 EFSA re-evaluated phosphoric acid and its salts, E 338–341, E 343 and E 450–452, and set an acceptable daily intake of 40 mg of phosphorus per kilogram of body weight, which is 2,800 mg a day for a person weighing 70 kg.
Shopping
What is really in a “milk-containing product” with milk fat substitute
If a pack in Russia says “milk-containing product with milk fat substitute”, the regulation’s own definition allows up to half of its fat phase to be vegetable.
Nutrition
How to eat less without starving: what the research supports and what it does not
People eat more when they are served a bigger portion, when they eat fast, after a short night and alongside alcohol.
Weight loss
How the keto calculator works, where it goes wrong, and how to read the result
The keto calculator estimates calories with the Mifflin–St Jeor equation, takes about 85% of that figure for weight loss, and splits it into carbs (5–10%), protein (30–35%) and fat (55–60%).
Nutrition
The FoodGPT caffeine calculator: how it works and where it gets it wrong
The caffeine calculator adds up milligrams from a table of average values per drink and compares the total with the EFSA level: up to 400 mg a day for an adult, up to 200 mg in pregnancy and breastfeeding, and 3 mg per kilogram of body weight for a child or teenager.
Health
The FoodGPT water calculator: how it works and where it gets it wrong
The water calculator does not use a formula.
This article is for general information. It is not medical advice, a diagnosis, or a prescription for treatment or a diet, and it does not replace a consultation with your doctor. If you have a health condition, are pregnant, take medication, or follow a diet prescribed to you, decisions about food belong with your doctor.
Figures from regulations, guidelines and studies are given as they stood when this article was prepared and may since have changed; check them against the primary sources. This article is not advertising, an offer, or individual advice, and neither the author nor the site owner is responsible for decisions taken on the basis of it.