|Nutrition Evidence Library|
What effect does folic acid supplementation (with or without additional B vitamin supplementation) have on risk of stroke among persons with or without pre-existing vascular disease? (DGAC 2010)
Evidence that folic acid supplementation might prevent stroke is limited due to inconsistency, with the most recent meta-analysis documenting no benefit.
Overall strength of the available supporting evidence: Strong; Moderate; Limited; Expert Opinion Only; Grade not assignable For additional information regarding how to interpret grades, click here.
What is the evidence that supports this conclusion? For more information, click on the Evidence Summary link below.