Middleton Mixology appears to be a legitimate website. The site has received numerous positive reviews from customers, with many praising the quality of products and customer service. The overall rating is 4.9 out of 5.0, with 97% of customers giving a 4 or 5-star rating. Customers have highlighted the ease of use of the products, the helpfulness of the Q&A section, and the great customer service. Additionally, the website is easy to navigate and provides detailed information about the products.