# FDA Regulatory > US FDA-regulated product approval and compliance: FDA guidance documents, 21 CFR requirements for drugs/devices/food, the Drugs@FDA approval database, and the 510(k) premarket notification database — grounded exclusively in FDA.gov guidance and eCFR Title 21. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Source: MIND (m-i-n-d.ai) Hub: https://www.m-i-n-d.ai/minds/fda-regulatory