Primary Aim: In healthy, cognitively intact elderly subjects, determine the effects of an 8-week synbiotic supplement intervention on the stool microbiome (pre- and post-intervention) as compared to Triphala alone and placebo.
Secondary Aim: In healthy elderly subjects, examine the effects of an 8-week synbiotic supplementation intervention on inflammatory blood markers compared to herb alone or placebo.
Exploratory Aim 1: In healthy elderly subjects, examine the effects of an 8-week synbiotic intervention on gastrointestinal and psychological health via questionnaires compared to herb alone or placebo.
