Sparkling Water

high fructose corn syrup

Linked to obesity, diabetes, fatty liver disease; often contains mercury from chlor-alkali processing.

yellow 5

ADHD link; allergic reactions; hyperactivity in children; possible carcinogen.

acesulfame potassium

Limited safety data; may affect insulin response; animal studies showed tumor increases.

natural flavor

Vague term masking hundreds of possible compounds; may include MSG, beaver anal gland secretions, and other sources.

sucralose

May alter gut microbiome; studies show possible DNA damage at high doses.