Researchers at the University of Nottingham have discovered that a combination of dietary supplements can offer stronger immune and metabolic support than taking prebiotics or omega-3 alone. This study, published in the Journal of Translational Medicine, indicates that the paired approach may help reduce the risk of diseases linked to chronic inflammation.
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The most effective combination identified was a synbiotic made from naturally fermented kefir and a wide variety of prebiotic fibers. This blend resulted in the most significant decrease in inflammatory markers compared to the other supplements tested.
The kefir and fiber blend used in the trial was provided by Chuckling Goat Ltd. It consists of naturally occurring probiotic bacteria and yeasts from the traditional fermentation of goat's milk with live kefir grains, which are vital cultures containing multiple beneficial microbial species.
When kefir, abundant in live microbes, is paired with diverse prebiotic fiber, it creates a synbiotic effect. The fiber nourishes the beneficial bacteria, facilitating their growth and the production of helpful compounds like butyrate, known for its anti-inflammatory and immune-regulating properties.
Over a six-week period, healthy participants who consumed the synbiotic showed the greatest reduction in inflammation-related proteins compared to those who took omega-3 or fiber alone. This suggests that combining probiotics and prebiotics might support immune and metabolic health more effectively than single-ingredient supplements.
Systemic inflammatory markers reflect overall inflammation in the body rather than localized areas. Participants in the synbiotic group exhibited lower overall inflammation levels, indicating improved immune balance and potentially reduced risk of chronic inflammation-related conditions such as heart disease.
Future research will investigate how these supplements perform in individuals with specific health issues to further understand their potential benefits. Dr. Amrita Vijay, who led the study, stated that while all three dietary approaches alleviated inflammation, the synbiotic combining fermented kefir with diverse prebiotic fibers demonstrated the most potent and extensive effects, suggesting the importance of the interaction between beneficial microbes and dietary fiber in supporting immune balance and metabolic health.