Herbalife (HLF -0.43%) results for the company's Q1 have been released. For the quarter, net sales came in at $1.1 billion, up 17% from the $964 million in the same period the previous year. Net profit also notched a gain, rising to nearly $119 million ($1.10 per diluted share) from Q1 2012's $108 million ($0.88).

The firm's guidance for Q1 2013 was for 15%-17% sales growth and EPS of $1.03-$1.07.

Herbalife also announced revised forward guidance. For its current Q2, net sales are anticipated to grow 11%-13% on a year-over-year basis, with diluted EPS amounting to $1.14-$1.18. Those figures for the entirety of 2013 are expected to be 13%-15% and $4.60-$4.80, respectively.