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Nutr Rev. 2020 Mar 1;78(3):249-259. doi: 10.1093/nutrit/nuz074.

Impact of coconut oil consumption on cardiovascular health: a systematic review and meta-analysis.

Author information

1
M. Teng, Y.J. Zhao, A.L. Khoo, and B.P. Lim are with the Pharmacy and Therapeutics Office, Group Health Informatics, National Healthcare Group, Singapore.
2
T.C. Yeo is with the Department of Cardiology, National University Heart Centre, Singapore.
3
T.C. Yeo is with the Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
4
Q.W. Yong is with the Department of Cardiology, Tan Tock Seng Hospital, Singapore.

Abstract

CONTEXT:

Coconut oil is rich in medium-chain fatty acids and has been claimed to have numerous health benefits.

OBJECTIVE:

This review aimed to examine the evidence surrounding coconut oil consumption and its impact on cardiovascular health.

DATA SOURCES:

A systematic literature search of the PubMed, Embase, the Cochrane Library, and CINAHL databases, up to May 2019, was performed.

DATA EXTRACTION:

Study characteristics including study design, population, intervention, comparator, outcome, and source of funding were summarized.

DATA ANALYSIS:

Meta-analyses included 12 studies to provide estimates of effects. Subgroup analyses were performed to account for any differences in the study-level characteristics. When compared with plant oils and animal oils, coconut oil was found to significantly increase high-density lipoprotein cholesterol (HDL-C) by 0.57 mg/dL (95%CI, 0.40-0.74 mg/dL; I2 = 6.7%) and 0.33 mg/dL (0.01-0.65 mg/dL; I2 = 0%), respectively. Coconut oil significantly raised low-density lipoprotein cholesterol (LDL-C) by 0.26 mg/dL (0.09-0.43 mg/dL; I2 = 59.7%) compared with plant oils and lowered LDL-C (-0.37 mg/dL; -0.69 to -0.05 mg/dL; I2 = 48.1%) compared with animal oils. No significant effects on triglyceride were observed. Better lipid profiles were demonstrated with the virgin form of coconut oil.

CONCLUSION:

Compared with animal oils, coconut oil demonstrated a better lipid profile n comparison with plant oils, coconut oil significantly increased HDL-C and LDL-C.

KEYWORDS:

cardiovascular disease; cholesterol; coconut; lipids; saturated fatty acids

PMID:
31769848
DOI:
10.1093/nutrit/nuz074

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