Caffeinated Sparkling Water Beverage Blackberry

L-Theanine is an amino acid commonly found in tea leaves, known for its calming effects. It can promote relaxation without drowsiness and may enhance cognitive performance when combined with caffeine. It is considered beneficial for mental health.

Carbonated water is simply water infused with carbon dioxide gas under pressure. It is generally considered neutral as it does not provide significant nutritional benefits or risks. It serves as the base for many beverages without adding calories or sugars.

Citric acid is a natural acid found in citrus fruits, used as a preservative and flavor enhancer. It is generally recognized as safe but can cause dental erosion if consumed in excess. It adds a tangy flavor to beverages without contributing calories.

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Natural flavors are often used to enhance taste but can be a catch-all term for various chemical compounds. The lack of transparency in their composition can be concerning for consumers seeking clean labels. They do not provide nutritional benefits and may contain allergens.