Nutrition Facts and Ingredients of Red Bull along with each ingredient's usefulness.

Nutrition Facts
Total Fat : 0g (woo hoo)
Sodium : 200 mg/8% Daily Allowance | Sodium helps regulate blood pressure
Total Carbohydrates : 28g | Provide stamina, endurance and power.
Sugars : 27g | Provide energy, duh
Protein : Less than 1g | Builds body tissue
Niacin : 100% | Inhibits bad cholesterol BP while helping good cholesterol BP.
Vitamin B6 : 250%
-Needed by over 100 enzymes involved in protein metabolism.
-Essential for red blood cell metabolism.
-Nervous and Immune Systems need B6 for proper function.
-Helps convert tryptophan (an amino acid) to niacin (a vitamin)
-Helps make hemoglobin
Vitamin B12 : 80% | Helps Maintain healthy nerve and red blood cells.
Pantothenic Acid
-Regulates Adrenal activity.
-Regulates Antibody production.
-Regulates protein and fat growth and metabolism.
Red Bull has more of this than three baked potatos

Ingredients
Carbonated Water (natch)
Sucrose (provides carbohydrate energy)
Glucose (provides carbohydrate energy)
Sodium Citrate (Non-hazardous for air, sea and road freight.)
Taurine (Gives you WINGS!)
Caffeine (Again!)

This has been brought to you by the desire for complete justification.
Sources:
Drkoop.com
Uk Sugar Bureau,
http://www.cc.nih.gov/ccc/supplements/ http://physchem.ox.ac.uk/MSDS/SO/sodium_citrate_dihydrate.html