The US FDA sent a warning letter to Nutra Pharma Corp. for illegally marketing unapproved products labeled as homeopathic with claims about their ability to treat addiction and chronic pain, including pain associated with cancer, diabetes, shingles, fibromyalgia and other serious conditions. The products included topical treatments as well as an oral spray. Specifically, FDA issued a warning letter to Nutra Pharma for:  “Nyloxin Oral Spray,” “Nyloxin Topical Gel,” “Nyloxin Topical Roll-On,” “...