What do energy drinks and bars contain that gives to people who consume them?

Here are some common ingredients found in energy drinks and bars and their effects:

- Caffeine: Caffeine is a stimulant that can increase alertness and reduce fatigue. It is naturally found in coffee, tea, and other plant sources.

- Sugar: Sugar provides quick energy, but its effects are usually short-lived and can lead to a subsequent crash.

- B vitamins: Vitamins B6 and B12 are involved in energy metabolism and can help convert food into energy.

- Taurine: Taurine is an amino acid that may improve mental performance and reduce muscle fatigue.

- Guarana: Guarana is a plant native to South America and is often used as an energy booster due to its high caffeine content.

- Ginseng: Ginseng is a traditional herbal remedy that has been shown to improve physical and mental performance.

- L-carnitine: L-carnitine is an amino acid that helps transport fatty acids into cells to be burned for energy.

It's important to note that energy drinks and bars can vary widely in their composition, and some may contain additional ingredients or higher concentrations of certain substances. Consuming excessive amounts of energy drinks and bars can lead to adverse effects such as anxiety, sleep disturbances, and heart problems. It is always advisable to consume these products in moderation and as part of a balanced diet.