Know Your Food

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16 reviewed guides
Ingredient guide · Ghee

A1 and A2: what changes from milk to ghee?

A1/A2 describes beta-casein in milk. Ghee is mostly fat, so source traceability and process are different questions from testing the final fat.

5 minReviewed Jul 2026
Shopping companion

The 90-second packaged-food label check

Ingredients, nutrition, allergens, dates and licence details become much easier when you read them in a useful order.

5 minReviewed Jul 2026
Go deeper

Learn how proof is made.

What should happen when a batch fails?From sample to result: why chain of custody mattersWhy sampling matters as much as the test