Mega doses of vitamin C (ascorbic acid) have been proven very valuable tin warding off clogged arteries and when combined with L-Lysine, L-Proline, CoQ10, Vitamin E and other key nutrients to actually Unclog existing clogged arteries.
Here is some information on the L-Lysine side of the equation which sometimes does not get enough press.
Old Irish Proverb:
"You must crack the nuts before you can eat the kernel"
LINK to essential Lysine:
This essential lysine
Author: Alexander Yezovit
Some important facts about the lysine