Life Extension's focus is on quality, purity & potency.
 LifeExtension never accept anything less than the absolute best: their quality  control standards actually exceed FDA mandates. What you see on the  product label is what’s in your supplement. Nothing more … and certainly  nothing less!
Many commercial manufacturers emphasize that their supplements cost less. But cheaper is not better, because they do this by using less-than-optimal doses along with less-than-premium-quality ingredients. Life Extension never choose the ingredients based on cost — which means you always get the most nutritional potency for your money. Their unique formulations are based on the latest research, but also something more … their passionate belief in a clinically validated, scientific approach to better nutrition. It’s been the bedrock of their business for over 35 years. Their accumulated body of knowledge makes it possible to develop unique formulations you won’t find anywhere else on the market!