The Effect of Coenzyme Q10 in Patients with Congestive Heart Failure

Figure 2. Circles represent patients who received active treatment, and crosses represent patients who received placebo. The
study drug clearly increased serum concentrations of coenzyme Q . However, there was no relation between the change in serum
concentration and the change in peak oxygen consumption.
The change in coenzyme Q 10 concentration compared with the change in peak oxygen consumption.10
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Ann Intern Med
April 18, 2000
vol. 132
no. 8
636-640