The following information may be useful for your research

Compokstion of Energy driniks: Vitamine B12, B6, Caffeine, Vitamine B3, Taurine

for other information, please refer this aricle,

Ref:Energy Drink Ingredients and What They Do

www.caffeineinformer.com/energy-drink-ingredients

Top 10 Energy Drink Side Effects

Recent research in Australia has highlighted the risks with over-consumption of energy drinks. This data was gathered from 7 years of calls to the Australian Poisons Center.

Listed in order of most common to least common:

1.      Palpitations / tachycardia

2.      Tremor / shaking

3.      Agitation / restlessness

4.      Gastrointestinal upset

5.      Chest pain / ischaemia

6.      Dizziness / syncope

7.      Paraesthesia (tingling or numbing of the skin)

8.      Insomnia

9.      Respiratory distress

10.  Headache

For details;

http://www.caffeineinformer.com/energy-drink-side-effects

Thanks for your help Maddali & Mushtaq