Final answer:
Four Loko was the alcoholic beverage developed in 2005 as an 'energy beer' and contained taurine, guarana, caffeine, and wormwood. The FDA issued a warning regarding its high alcohol content and stimulant ingredients.
Step-by-step explanation:
The alcoholic beverage being referred to in the question is Four Loko. Four Loko was developed in 2005 as an 'energy beer' and contained taurine, guarana, caffeine, and wormwood in its original recipe. However, it was later slapped with a warning from the FDA due to concerns about its high alcohol content combined with stimulant ingredients.