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Abstract Title:

Effects of turmeric extract supplementation on inflammation and muscle damage after a half-marathon race: a randomized, double-blind, placebo-controlled trial.

Abstract Source:

Eur J Appl Physiol. 2020 Jul ;120(7):1531-1540. Epub 2020 May 2. PMID: 32361773

Abstract Author(s):

Flávia Rasmussen Faria, Aline Corado Gomes, Alisson Antunes, Kênnia Rocha Rezende, Gustavo Duarte Pimentel, Camila Lemos Pinto Oliveira, Barbara Moura Antunes, Fabio Santos Lira, Marcelo Saldanha Aoki, João Felipe Mota

Article Affiliation:

Flávia Rasmussen Faria

Abstract:

PURPOSE: Strenuous exercise induces inflammation and muscle damage. Turmeric (Curcuma longa L.) is a widely used spice that exhibits potent anti-inflammatory response and appears to decrease indirect markers of muscle damage. A randomized, double-blind, placebo-controlled trial was conducted to evaluate the effects of Curcuma longa L. extract (CLE) on inflammation and muscle damage after a half-marathon race.

METHODS: Twenty-eight healthy, normal-weight men were randomly assigned to one of two groups: (1) CLE (3 capsules per day, 500 mg each); or (2) placebo (PLA, 3 capsules per day, 500 mg of microcrystalline cellulose). Participants received the intervention for 4 weeks and immediately before and after the half-marathon race. Creatine kinase, lactate dehydrogenase, alanine aminotransferase, aspartate aminotransferase, myoglobin, interleukins 6 and 10 were assessed at baseline, immediately before, after, and at 2, 24, and 48 h after the half-marathon race.

RESULTS: The half-marathon race increased markers of inflammation and muscle damage. A greater increase in interleukin-10 was observed in the CLE group immediately after the competition compared to the PLA group (7.54 ± 1.45 vs 5.25 ± 0.59 pg/mL; p < 0.05; d = 0.55). Myoglobin concentration was lower 2 h after the race in participants from the CLE group compared to the PLA group (62.10 ± 8.26 vs 107.85 ± 18.45 ng/mL; p = 0.01; d = 0.86).

CONCLUSION: Curcuma longa L. extract supplementation leads to an increase in IL-10 and decreased myoglobin in recreational male runners after a half-marathon race.

TRIAL REGISTRATION NUMBER: U1111-1179-6335, February 13, 2016.

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