05/22/2008 05:12 am ET | Updated May 25, 2011

When Caffeine Isn't Enough: Starbucks Launches New Energy Drinks

If a caffeine jolt isn't enough, Starbucks customers will have another option starting Tuesday, when the Seattle coffee chain unveils its "+Energy" products in its U.S. stores.

The new ingredients can be added to any existing Starbucks handmade beverage by saying "plus energy" at the end of one's order. Baristas have been trained in how to mix in +Energy, which contains B-vitamins, guarana and ginseng.

The energy line is one of three new beverage lines that Starbucks is pursuing in hopes of giving its stores a revenue boost. In recent months, Starbucks has seen profit decline and falling foot traffic into stores. The company attributes most of its problems to rising gas prices and a general slump in the national economy.

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