Nitric oxide is a molecule the body produces that plays a role in relaxing blood vessels and supporting healthy circulation.
Where L-Citrulline Fits In
L-Citrulline is an amino acid the body can convert along the pathway that produces nitric oxide.
A Long-Term View
Like most everyday-support ingredients, any effect builds with consistent use over time, not a single dose.
Talk to Your Doctor
If you take blood pressure or heart medication, check with your doctor before adding an L-Citrulline-containing product to your routine.