This classic bitter is considered the industry standard. When added to mixed drinks it contributes a nice flat finish, smoothing out the drink. Also, it works wonders for upset stomachs by aiding digestion. 89.4 Proof Alcohol
Angostura bitters is a concentrated bitters based on gentian herbs and spices. It is typically used for flavouring beverages or less often food. It is 47.5% alcohol.