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Homocysteine and cardiovascular diseases
1Institute of Nutritional Science, Department of Pathophysiology of Nutrition, University of Bonn, Germany.
Asia Pacific Journal of Clinical Nutrition
|January 8, 2014
Summary
High homocysteine levels, a risk factor for atherosclerosis, can be lowered with B-vitamin supplementation. Even standard nutritional amounts of folic acid, B-12, and B-6 effectively reduce homocysteine concentrations.
Area of Science:
- Biochemistry
- Cardiovascular Science
- Nutritional Science
Background:
- Elevated homocysteine is an independent risk factor for atherosclerosis.
- Homocysteine metabolism relies on B vitamins (folic acid, B-12, B-6) as essential cofactors.
- A clear inverse relationship exists between B-vitamin status and homocysteine blood levels.
Purpose of the Study:
- To investigate the impact of B-vitamin supplementation on homocysteine levels.
- To determine if standard nutritional vitamin intakes are sufficient for homocysteine reduction.
Main Methods:
- Observational analysis of homocysteine levels in relation to B-vitamin status.
- Assessment of homocysteine reduction following B-vitamin supplementation.
Main Results:
- B-vitamin supplementation significantly reduces elevated homocysteine concentrations.
- Nutritional intake of folic acid, B-12, and B-6 appears sufficient to achieve this reduction.
Conclusions:
- B-vitamin supplementation is an effective strategy for lowering homocysteine.
- Standard dietary intake of B vitamins may be adequate for managing homocysteine levels, even when elevated.
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