The Food and Drug Administration (FDA) does not approve dietary supplements for safety and efficacy before they are put on the market. Instead, it is up to individual companies to create and enact a plan that ensures their products, facilities, and production methods meet safety standards. After the product becomes commercially available, the FDA may periodically inspect manufacturing facilities, supplement labels, and adverse events reported by consumers. Limited inspections and product testing poses an increased risk for dietary supplements to become contaminated with other substances or cut with lower quality ingredients. Some companies opt to pay a third-party organization to inspect their facilities, certify that Good Manufacturing Practices (GMP) are being met, and purity test products before they’re commercially available. Look for these certifications: