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pubmed:abstractText |
The effect of a dietary supplement with L-carnitine (600 mg/day) and Garcinia cambogia extract (500 mg/day as hydroxycitric acid) as main ingredients was studied in 35 healthy volunteers {48.3 +/- 6.9 years, body mass index (BMI): 26.3 +/- 1.7} in a double-blind test (18 subjects in the Test Group and 17 in the Control Group). The yearly examination includes the standard yearly medical tests done in Japan, tests for assessing hormonal age, and a survey for assessing physical and mental fitness of the subjects, called the Anti-Aging QOL Common Questionnaire (AAQol). Use of this supplement significantly improved the level of lipid peroxides (-12.8%) in the blood as well as physical symptoms such as "tired eyes," "blurry eyes," "muscle pain/stiffness," "early satiety," "epigastralgia," "dizziness," "arthralgia" and "easily breaking into a sweat." The Control Group showed a significantly favorable improvement rate, especially for "dizziness." On the other hand, groups of subjects using the test compounds saw a significant rise in total cholesterol (4.5%), fasting blood sugar (4.1%) and HbA1c (3.4%). Our findings suggest that the consumption of the supplement can reduce the oxidative damage; however, the effect on QOL was equivocal. Garcinia cambogia extract did not show dietary efficacy.
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