Instruct: Classify Amazon reviews into positive or negative sentiment
Query: What is really disconcerting to be specific is........

So called nutritional supplement manufacture's is the fact that an item like this fails anywhere,"Including their web site",to identify the flavanols used to comprise this supplement.Further,consumers that,"Review",something you look to put into your body to support a deficiency. Gross negligence. Shame on these,"Reviewers and the manufacturer"Take the time to do your research before you start putting stuff in your body. You save yourself the real risk of doing more harm then good.