S-allyl
cysteine sulfoxide, a sulfur containing amino acid of garlic has been found to
show significant antidiabetic effects in rats (Sheela, 1992;
1995).
The
primary effectiveness of garlic is in the support of the cardiovascular system
(Kleijnen, 1989). It lowers cholesterol and
triglyceride levels in the blood. It also possesses antibacterial,
antiviral, and antifungal activity and may work against some intestinal
parasites (Hughes, 1991). Studies also show that
regular consumption of garlic can in reduce the risk of esophageal, stomach,
and colon cancer (Gao, 1999; Dorant, 1993).
Courtesy:
http://www.altdiabetes.com/Summary/Garlic.htm