The Council for Responsible Nutrition (CRN), founded in 1973, is a Washington, D.C.-based trade association representing ingredient suppliers and manufacturers in the dietary supplement industry. CRN members adhere to a strong code of ethics, comply with dosage limits and manufacture dietary supplements to high quality standards under good manufacturing practices. CRN's mission is to enhance and sustain a climate for our member companies to responsibly market dietary supplements and their ingredients by maintaining and improving confidence among consumers, media, government leaders, regulators, healthcare professionals and other decision makers with respect to our members’ products.