Some say it's safe.  Yet others believe the dog food preservative... propyl gallate... may be responsible for causing a number of serious health problems.That's because of the chemical's unusual ability to mimic the negative effects of the female hormone... estrogen.Although research has … [Read more...]

Propylene glycol is a controversial additive used to help preserve the moisture content in many dog foods.You may already recognize this chemical by its more "infamous" use… as a key ingredient in some newer automotive antifreezes.No kidding… antifreeze.Now, to be fair, propylene … [Read more...]

Butylated hydroxyanisole -- better known as BHA -- is "reasonably anticipated to be a human carcinogen" (a cancer-causing agent)[1. Report on Carcinogens, Eleventh Edition; U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program, CAS No. … [Read more...]

BHT is the official abbreviation for a common dog food additive known as (gasp)... butylated hydroxytoluene.The chemical is used in certain dog foods to prevent fats and oils from going bad too soon.In other words, BHT can extend the shelf life of a fat-containing product.But that's not … [Read more...]