| Effect | None |
| Trial Design | Double blind |
| Trial Length | 1-6 months |
| Number of Subjects | 60 |
| Sex | Male |
| Age Range | 18-29, 30-44, 45-64, 65+ |
Supplementation of 250mg of garlic oil (21.5% diallyl disulfide) appears to reduce blood viscosity, but it failed to reach statistical significance relative to placebo; the reference drug, 80mg of EGb-761 extract from ginkgo biloba, was effective.
