Have the client take 8 grams of vitamin C in equally divided doses over 8 hours. This can be done for up to three days in a row. The client will have one of three reactions to the test that will then categorizes them into one of three metabolic types.
If the client feels depressed, lethargic, exhausted, irritable and may even experience other symptoms such as diarrhoea, nausea, or increased intestinal gas then they are a fast oxidizer or “Protein Type”.
If the client no change at all then they are a balanced oxidizer or “Mixed Type”.
If the client feels an improvement such as more energy or better sleep then they are a slow oxidizer or “Carbohydrate Type”.