Pro Nutrition Store Products come through official importers in india and have a 100% customer satisfaction rate. (1) Verify on the manufacturer's website or email. there are minute differences on the fake products which the naked eye can not identify the product with them. (2) Verify with the importer: Products come with importer tags and can be verify with importer on their email/customer care. (3) Protein Mix-ability: Whey Protein/Isolates will mix well and no signs of insoluble substances should be visible after mixing for 25+seconds in your ''Shaker'' (4) Lab Test: You can get the product tested in any food testing laboratory. (5) Lot No. Verification: Lot no. can be Verified to check official import. We also Have 7-day return policy in case of default in any one of the above-mentioned points.