(2024) The effects of astaxanthin supplementation on liver enzyme levels. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition. pp. 434-442. ISSN 0300-9831 (Print) 0300-9831 (Linking)
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Abstract
According to previous studies, astaxanthin exerts various biological effects due to its anti-inflammatory and antioxidant capabilities; however, its effects on liver enzymes have not yet been well elucidated. Therefore, we conducted a meta-analysis to assess astaxanthin's effects on liver enzymes. A systematic literature search was conducted using scientific databases including PubMed, Scopus, Web of Science, the Cochrane databases, and Google Scholar up to February 2023 to find relevant randomized controlled trials (RCTs) examining the effects of astaxanthin supplementation on alanine transaminase (ALT), aspartate transaminase (AST), gamma-glutamyl transferase (GGT), and alkaline phosphatase (ALP). A random-effects model was used for the estimation of the pooled weighted mean difference (WMD). Overall, we included five trials involving 196 subjects. The duration of the intervention was between 4 and 48 weeks, and the dose was between 6 and 12 mg/day. ALT levels increased in the intervention group compared to the control group following astaxanthin supplementation (WMD: 1.92 U/L, 95 CI: 0.16 to 3.68, P=0.03), whereas supplementation with astaxanthin had a non-significant effect on AST (WMD: 0.72 U/L, 95 CI: -0.85 to 2.29, P=0.36), GGT (WMD: 0.48 U/L, 95 CI: -2.71 to 3.67, P=0.76), and ALP levels (WMD: 2.85 U/L, 95 CI: -7.94 to 13.63, P=0.60) compared to the placebo group. Our data showed that astaxanthin supplementation increases ALT concentrations in adults without affecting the levels of other liver enzymes. Further long-term and well-designed RCTs are necessary to assess and confirm these findings.
Item Type: | Article |
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Keywords: | *Xanthophylls/administration & dosage/pharmacology Humans *Dietary Supplements *Liver/enzymology/drug effects *Alanine Transaminase/blood *gamma-Glutamyltransferase/blood *Aspartate Aminotransferases/blood *Alkaline Phosphatase/blood Randomized Controlled Trials as Topic Antioxidants/administration & dosage alanine aminotransferase aspartate aminotransferase astaxanthin meta-analysis |
Page Range: | pp. 434-442 |
Journal or Publication Title: | International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition |
Journal Index: | Pubmed |
Volume: | 94 |
Number: | 5-6 |
Identification Number: | https://doi.org/10.1024/0300-9831/a000804 |
ISSN: | 0300-9831 (Print) 0300-9831 (Linking) |
Depositing User: | خانم ناهید ضیائی |
URI: | http://eprints.mui.ac.ir/id/eprint/30289 |
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