Energy drinks like Red Bull, Monster, and 5-Hour Energy are popular for their promise to boost alertness, memory, and mental performance.

Their key ingredient - caffeine - is often combined with sugar, B vitamins, herbal extracts like ginseng, and amino acids such as taurine.

Studies show energy drinks can enhance brain function and help people stay awake during fatigue or night shifts.

However, excessive consumption has raised health concerns. Over 20,000 emergency room visits in the US are linked to energy drink use, often due to high caffeine intake or mixing with alcohol.

Side effects can include increased heart rate, high blood pressure, and poor sleep quality.

While moderate consumption may be safe for healthy individuals, those with heart conditions or sleep disorders should be cautious. Ultimately, energy drinks may offer short-term benefits - but long-term use or overconsumption could lead to serious health risks. Always read labels and consume responsibly.