Voluntary guidelines and best practices are one of the hallmarks of CRN’s self-regulatory efforts. Member companies are expected to follow government regulations and voluntarily adhere to a strong Code of Ethics.

CRN and its member companies also develop recommendations for the industry including:

• CRN Recommended Guidelines for Caffeine-Containing Dietary Supplements
• Best Practices Guide for Enzyme Dietary Supplement Products
• CRN Recommended Guidelines for Providing Product Information to Consumers Purchasing Dietary Supplements and Functional Food via E-commerce
• CRN Recommended Guidelines for Iodine Quantity in Multivitamin/Mineral Supplements for Pregnancy and Lactation
• Recommended Guidelines for Formulation, Labeling, and Packaging of Melatonin-Containing Dietary Supplements for Sleep Support
• Best Practices for Probiotics
• Regulatory Responsibilities and Best Practices for Manufacturing and Marketing Dietary Supplements Containing Proprietary Blends
• CRN Guidelines for Labeling of Protein in Dietary Supplements and Functional Foods
• CRN Recommended Guidelines for SARMs‐Containing Dietary Supplements
• Safety Considerations for Dosage Recommendations and Labeling (See also CRN's Vitamin and Mineral Safety publication)
• Recommended Guidelines for Labeling Gummy Dietary Supplements

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Dietary supplements are regulated by FDA and FTC