and Objectives: Gut microbiota influences our health via multiple mechanisms. Microbiota produced Short Chain Fatty Acid (SCFA) as an energy to maintain gut ecosystem and physiology. Dysbiosis is correlated with SCFA imbal- ance which in turn resulted in physiological abnormalities in the intestine, such as functional constipation. Materials and Methods: Randomized Double-Blind Controlled Trial (RCT) was conducted on women with functional constipation (n=37) in the community of Jakarta and

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... le of SCFA was assessed by using GC-MS from the stool after 21 days supplementation of fermented milk (placebo and probiotic). Results: Probiotic supplementation significantly influenced acetate titer (p=0,032) marginally significant for propionate and butyrate (p=0.063 and p=0.068, respectively) and the respondent with increasing SCFA's metabolite are higher in probiotic group compared to the respondents in placebo group. Acetate is the highest SCFA titer found in faeces samples of women with functional constipation. Conclusion: Probiotic Lactobacillus plantarum IS 10506 supplementation influenced all the SCFA parameter (acetate, pro- pionate and butyrate).