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. 2022 Sep 22;116(5):1368–1378. doi: 10.1093/ajcn/nqab211

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© The Author(s) 2022. Published by Oxford University Press on behalf of the American Society for Nutrition.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Serum variation response in selected short-chain fatty acids between participants. (A) Interindividual variation in serum acetic acid concentrations after breakfast on day 3. (B) Interindividual variation in serum acetic acid concentrations after lunch on day 3. (C) Interindividual variation in serum acetic acid concentrations after dinner on day 3. (D) Interindividual variation in serum acetic acid concentrations fasting on day 4. (E) Interindividual variation in serum acetic acid concentrations in selected participants (showing 2 “typical” dietary responders and 1 “atypical” dietary responder). (F) Interindividual variation in serum propionic acid concentrations after breakfast on day 3. (G) Interindividual variation in serum propionic acid concentrations after lunch on day 3. (H) Interindividual variation in serum propionic acid concentrations after dinner on day 3. (I) Interindividual variation in serum propionic acid concentrations after dinner on day 3. (J) Interindividual variation in serum propionic acid concentrations in selected participants. (K) Interindividual variation in serum 2-methylbutyric acid concentrations after breakfast on day 3. (L) Interindividual variation in serum 2-methylbutyric acid concentrations after lunch on day 3. (M) Interindividual variation in serum 2-methylbutyric acid concentrations after lunch on day 3. (N) Interindividual variation in serum 2-methylbutyric acid concentrations after dinner on day 3. (O) Interindividual variation in serum 2-methylbutyric acid concentrations in selected participants. AB D3, after breakfast on day 3; AD D3, after dinner on day 3; AL D3, after lunch on day 3; FA D4, fasting on day 4; ID, participant number. In interindividual graphics variation, blue dots represent results of 19 participants and red lines indicate median. P_adj < 0.05 indicates statistical significance.