Learn

What calories are, how to estimate them, why portion size matters, and how to use calorie information practically without obsessing over numbers.

A clear explanation of the three main macronutrients, what each one does, how many calories each contains and how to think about them practically.

Understanding serving sizes, percent daily values, ingredient lists and what the numbers on a food label actually mean for your diet.

What halal means, which foods are permitted and forbidden, how halal certification works, and what to look for on packaging.

A reference guide to common E-codes and their halal status — Halal, Haram or Mushbooh — with explanations of why some are doubtful.

Use our free ingredient checker to screen any ingredient against Halal, Vegan, Gluten-Free and Dairy-Free standards in seconds.

Who needs to avoid gluten, which grains contain it, how to read labels for hidden gluten sources, and what certified gluten-free means.

The difference between dairy-free and lactose-free, which ingredients to avoid, hidden dairy in processed foods and dairy-free alternatives.

How these three dietary approaches overlap and differ, which foods are permitted under each, and why a food can be one but not the other.

A practical guide to common symptoms, what they can indicate, and when to seek medical attention versus managing at home.

How BMI is calculated, what the categories mean, what BMI does not measure, and why it should be used alongside other indicators.

A transparent explanation of how each Afiya AI tool generates results, what data sources are used, and the important limitations of AI-generated information.