Asia-Pacific consumers are seeking healthier food products, with 53% said they were consciously trying to improve their health. Clinical dataThere are two human clinical studies backing the effects of L. helveticus MCC1848 in maintaining a positive mood. “These results suggest that heat-killed L. helveticusMCC1848 can specifically improve positive mood without affecting negative mood," the researchers wrote in Brain Sciences. A total of 58 people took part in the study, with the intervention group taking five billion heat-killed L. helveticus MCC1848 cells daily. Similar to the other study, supplementation of the postbiotic had no significant effects on negative mood state items, such as anger and nervousness.