Table 1: Effects of Energy Drink Ingredient of Endothelial Function.
| Ingredient | Effect on Endothelial Function | Therapy | Comments |
| L-Carnitine | Increase | *PAD | Further long term studies needed & which isomer would be most effective |
| Guarana | NF | NR | - |
| Inositol | NF | NR | - |
| Glucuronolactone | NF | NR | - |
| Taurine | Increase | *DM1 | Further elucidation for mechanism of action in DM1 patients and protective effects in pro-inflammatory states |
| Ginseng | Increase / no effect | *DM2/HTN | Delineation between KRG and ARG to determine which has greater potential for therapy; also what are the active compounds in the marketed preparations |
| Glucose | Decrease | NR | All advocated a decrease in serum levels of glucose being beneficial to patients |
| Caffeine | Decrease | NR | Possible use in coronary artery disease since a study showed improvement after purified caffeine pills |
| Riboflavin | NF | NR | - |
| Niacin | Increase / no effect | CAD/DM2/MS/HLD | Clarification on beginning treatment on statin therapy and at what levels of high-density lipoprotein cholesterol |
| Pyridoxine | Increase / no effect | *HHC/CAD | Studies on healthy, without folate, and long-term studies with HHC |
| Cyanocobalamin | No effect | *HHC/MS | Studies without folate and role in HHC therapy |
| NF: No articles Found; NR: No Recommendations at this time; *: Possible role in therapy; PAD: Peripheral Arterial Disease; HTN: Hypertension; DM: Diabetes Mellitus; HLD: Hyperlipidemia; HHC: Hyperhomocysteinemia | |||