Our analysis indicates that all the energy drinks and energy shots included in the current study contain caffeine, while a majority of them also contain B-vitamins, sugar, taurine, ginseng, tyrosine, L-carnitine, and electrolytes.

Effects. The functional ingredients of energy shots are comparable to those of energy drinks, and their effects on improvement in mental and cognitive performances and subjective alertness are in line with the effects of traditional energy drinks.

Natural energy drinks are marketed as being free from artificial colors, sweeteners, and preservatives. They contain naturally derived ingredients that reportedly boost energy due to their natural caffeine content, including green tea, yerba mate, and other plant-derived ingredients.

Natural energy drinks are what they sound like – they're made from natural ingredients (natural caffeine, fruit flavors or natural extracts) and are free of artificial sweeteners and synthetic colorings.

NewTrition Extra Strength Energy Shot The Extra Strength Energy Shot by NewTrition is a powerful and long-lasting energy source perfect for those who need a quick boost to get through the day. With 250mg of caffeine, B-vitamins, and amino acids, this shot provides a sustained energy release without the added sugar.

Energy drinks are widely promoted as products that increase energy and enhance mental alertness and physical performance. Next to multivitamins, energy drinks are the most popular dietary supplement consumed by American teens and young adults.

Similar to energy drinks, energy shots contain caffeine, vitamins, and herbs such as guarana, ginseng or ginkgo biloba, taurine, maltodextrin, inositol, carnitine, creatine or glucuronolactone. Some energy shots contain sugar; however, many brands also offer artificially-sweetened 'diet' versions.

So, let's get started with the best energy shots available.

1. Stacker 2 B12 Energy Shot Acai Pomegranate.
2. SAGA Surge Mushroom Energy Shot.
3. Stacker 2 Blue Raspberry B12 Energy Shot 12 Pack.
4. NewTrition Extra Strength Energy Shot.
5. Tweaker Strawberry Lemonade Energy Shot (Pack of 12)
6. XMODE Energy Shots on Tap Watermelon Rush.

Plant-based energy drinks, on the other hand, contain ingredients and Caffeine from natural sources, like green tea, and provide a more sustainable energy boost, mental clarity, and extended focus throughout the day - all without the crash.

In several studies, energy drinks have been found to improve physical endurance, but there's less evidence of any effect on muscle strength or power. Energy drinks may enhance alertness and improve reaction time, but they may also reduce steadiness of the hands.

In several studies, energy drinks have been found to improve physical endurance, but there's less evidence of any effect on muscle strength or power. Energy drinks may enhance alertness and improve reaction time, but they may also reduce steadiness of the hands.

If you choose to drink energy drinks, limit your intake to 16 ounces (473 ml) per day and stay away from “energy shots.” Additionally, try to reduce your intake of other caffeinated beverages to avoid the harmful effects of too much caffeine.