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. 2017 Nov 24;9(12):1281. doi: 10.3390/nu9121281

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Subgroup analysis of serum retinol levels (μmol/L) following red palm oil (RPO) intervention with respect to low or high RPO intake (RPO group vs. placebo group). CI: confidence interval.