Thank you for writing to us.
Raspberry ketone is marketed with many putative health benefits, with little evidence to prove. The FDA recognizes these medications to be generally safe, but no comments can be passed individual brands regarding their contents, purity and safety. At askthedoctor.com, we only recommend use of medications with strong scientific evidence on their safety and efficacy. Raspberry ketones are lacking on this part, and hence, unless recommended by your physician, you should not consume these. Please continue medications for thyroid problems as per doctor's recommendation.
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