Net income rose 22.1% to $105.4m, while group net sales increased 20% and volume growth topped 23% in the three months to December 31, 2011.
For the full year 2011, Herbalife reported net sales of $3.5bn, up 26% on 2010.
Adjusted net income surged 35% to $413.3m.
Chief executive Michael O. Johnson said: "The momentum in our business continued throughout 2011 as we set new records in net sales, earnings per share, and free cash flow.”
Los Angeles-based Herbalife, which moved into its 81st country last week ( Uruguay), was founded by entrepreneur Mark Hughes in California in 1980.
Herbalife markets and sells its products through a network of more than two million independent distributors. These distributors then sell Herbalife products to end consumers.
Logon to NutraIngredients-USA.com tomorrow for more detail on the results.