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In response, the Natural Products Association (NPA) reached out to Amazon to let them know that the issue was not closed with the FDA, and that NAC is a product that has dual uses as both a drug and a supplement, like many other products on the market (such as niacin, fish oil, and potassium, which can be sold as over-the-counter supplements, or prescribed by a medical professional)

If your doctor wont order these tests for you, you can self-order them through Ulta Lab Tests , for a relatively low cost

They also stimulate prolactin, growth hormone (GH) secretion, and pancreatic secretion of insulin and glucagon

FOR LABORATORY RESEARCH USE ONLY - NOT FOR HUMAN OR VETERINARY DIAGNOSTIC OR THERAPEUTIC USE