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May Reduce Blood Pressure Citrulline may reduce blood pressure, but more research is needed. Citrulline is converted to arginine in the body, and arginine increases blood flow. Therefore, it is ...

d3sign / Getty Images The Tricky Rules Regarding Vitamin Expiration Dates Technically, yes, vitamins do expire. But you may not see an expiration date on the vitamins that you buy because they are not ...