Lilbuff.com appears to be a legitimate website. The site has numerous positive reviews from customers who have purchased and enjoyed their protein cake mixes. Many users have praised the taste and quality of the products, highlighting their effectiveness in helping meet protein goals and satisfying sweet cravings. The website also offers free shipping on orders over $100 and provides various vegan options, which adds to its credibility.
However, as with any online purchase, it's always wise to exercise caution and ensure secure payment methods are used.