mescioglu/iStock via Getty ImagesIntroduction Lifeway Foods (NASDAQ:LWAY) is a US-based probiotic and nutritious food manufacturer. Their flagship product, Kefir, is a popular fermented drink product liked by many (yes, including me). In my last article, I rated Lifeway with a 'Buy' rating, as I felt the company was (and is) undervalued despite a large untapped TAM and increasing revenue growth. Since my last article, Lifeway is up 37.91% on a very strong earnings report. The numbers are very encouragin ...