ของนิวเคยได้ยินเค้าบอกกันมาว่า ดื่มแล้วจะปวดท้องประจำเดือนอ่ะค่ะ


This is due to the biological effect of Oxytocin hormone abundantly found in the coconut juice kha, it's the same kind of hormone released during the labor to facilitate the birth due to its muscle contraction effect kha.