Shares of a pair of vitamin retailers, GNC and Vitamin Shoppe, could use a little pick-me-up today after the Annals of Internal Medicine questioned the use supplements and multivitamins.

Losing Their Pep

 

Name

Last

Change

% Chg

(VSI) Vitamin Shoppe, Inc.

51.68

-1.47

-2.77%

(GNC) GNC Holdings, Inc. Class A

57.06

-1.08

-1.86%