Do dog supplement manufacturers need to be FDA or AAFCO compliant?

Dog supplements are regulated under FDA oversight with AAFCO labeling guidance and state feed-control rules. Reputable manufacturers operate cGMP-compliant facilities and many hold NASC membership. Look for third-party tested ingredients with COAs and veterinarian-reviewed formulas. AJ Cosmo Labs displays each manufacturer's certifications on their profile so you can verify compliance before requesting a sample.