Functional foods and drinks are all the rage today. While there are some heavy-hitters on the market, some newer brands ...

Paraxanthine, a compound the body naturally produces when it breaks down caffeine, is starting to appear in energy drinks and even some coffee products as a potential caffeine alternative.

Nutritionists share the best low-sugar energy drinks with 200 milligrams or less of caffeine for a boost to your stamina from brands like Uptime and Zevia.

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Energy drinks are aggressively marketed as quick fixes for fatigue, promising an instant surge in concentration, endurance, and alertness. This makes them a popular choice for students, athletes, and ...