Hydration Drink

acesulfame potassium

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

natural flavors

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

retinyl palmitate

May enhance tumor development when applied on skin exposed to UV; avoid in daytime SPF products.

sucralose

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