Cold Brew Coffee is taking the coffee category by storm with the market set to be worth a cool $1.6 billion by 2025. As flexible and plant-based diets increase in popularity, so too has the demand for non-dairy alternatives in the instant coffee category- mainly driven by millennials who are after ready to drink options. Enter alt brü. alt brü marries Cold Brew Coffee and plant-based milk to create a sleek, sustainable and Millennial-friendly RTD option. As well as being suitable for vegans, alt brü uses 16g of ethically sourced coffee in each can and only uses natural sweeteners.