The easy availability of substitutes such as almond milk and coconut milk restrains the growth of the oat milk market. Also, disturbance in the supply chain due to the COVID-19 pandemic will challenge market growth in the forecast period of 2022-2029. Data Bridge Market Research analyses that the U.K. oat milk market will grow at a CAGR of 40.8% during the forecast period of 2022 to 2029.