So when it comes to beer you have to be very careful. Your best option is to find a microbrewery that you can trust. As with everything, try to avoid cheap, low-quality products. Bars may offer Coors Light, Miller Lite or Budweiser specials, but they are cheap for a reason.
ACA stands for the American Canine Association. The ACA is generally used to register dogs that can't be registered with other, more legitimate, organizations, for reasons such as they're not purebred, don't meet the breed standards, etc. ACA registered dogs cannot also be registered with the AKC.
CLA is a naturally occurring collection of fatty acids, of where the entire group are referred to as 'CLA'. CLA stands for Conjugated Linoleic Acid, and are quite literally linoleic acid (omega-6) fatty acids that are conjugated with a double bond at some point on the fatty acid.