An important reason GI values for similar foods sometimes vary between laboratories is because of the method used for determining the carbohydrate content of the test foods. (academic.oup.com)
When choosing a suitable test, both the curriculum content of the test and the ability level of the group taking the test should be considered. (acer.org)
The team randomized 57 dialysis patients to ingest either a test beverage rich in cocoa flavanols (900 mg per day) or a control beverage that was free of cocoa flavanols but matched the nutrient content of the test beverage in all other aspects. (sciencedaily.com)