https://blogs.mercola.com:443/sites/vitalvotes/archive/2003/08/15/Drug-Alternatives-to-Viagra-and-Lipitor-Out-Soon.aspxPfizer is the world's biggest drugmaker and makes both Viagra and Lipitor. Lipitor is the world's top-selling drug, with $8 billion in annual sales, while impotence treatment Viagra earns nearly $2 billion in sales. Levitra and Crestor will compete withenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)