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People Who Eat Healthy Diet Don’t Benefit Much From Probiotic Supplements

March 14, 2017: 12:00 AM EST
New findings from Australian research suggest that supplementing a healthy diet with probiotics may do more harm than good. Rats in the study were fed either a healthy diet or one high in saturated fat and sugar, both with a probiotic supplement. The probiotics improved the bacterial make-up in the “grossly disregulated” digestive tract of obese rats eating the junk food diet. They also improved brain function: spatial memory loss was prevented. Not so for the rats on the healthy diet. The probiotics had almost no impact on microbial diversity and actually impaired recognition memory. [ Image credit: © Ryan Snyder ]
J. E. Beilharz et al., "Cafeteria diet and probiotic therapy: cross talk among memory, neuroplasticity, serotonin receptors and gut microbiota in the rat. ", Molecular Psychiatry, March 14, 2017, © Macmillan Publishers Limited
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