In order to check the claims of any nutritional product, it is better to refer a known or recognized dietitian in one’s area. The best way is to find the dietan is to check them on the website of Academy of Nutrition and Dietetics (AND)
Along with this there product must be checked based on its reference gives on some credible web addresses, It must have been referred in some popular newspaper, magazines, books etc.
Some of the common languages that are being used which create suspicion in terms of product creditability are “ Top most accomplished nutrition product”, “ Recommended by dietian”, “Bestselling product” etc.