As mentioned - studies published on the effects of Vitamin E on heart disease frequently contradict one another. One additional reason may be that Vitamin E is specific to the left side only, causing vasodilation in the left coronary artery only if appropriate amounts are given. Vitamin B15 has the same effect on the right coronary artery only. Vitamin B15 is also able to counteract the effects of above-normal levels of Vitamin B12, or a B12 overdose by injection. Being not available in some parts of the world, Vitamin B15 may be substituted with DMG to increase pangamic acid production in the body... Full Text

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