Social media has become an inseparable part of marketing, particularly for small and medium enterprises. However, there is a limited knowledge on how it helps small and medium enterprises in selling probiotic products. This study aims to explore how social media marketing influences the purchase intentions of probiotic chicken customers. This research uses a quantitative approach to collect data through an online survey from 215 participants. The results show that the factors of entertainment, trendiness, and e – word of mouth of social media marketing, alongside customer engagement, significantly affect customers’ purchase intentions. Data analysis reveals that the factors of social media marketing have greater influence towards purchase intention when mediated by customer engagement, compared to their direct influence towards purchase intention. Therefore, improving the quality of the social media marketing factors enhances customer engagement. Hence, customer engagement also plays an important role in social media marketing by directly influencing the customers’ purchase intentions.
