Spirulina, scientifically called arthrospira platensis, is technically a type of bacteria.
They simulated the effects of digesting spirulina on isolated arteries and animals in the lab.
"This way we have been able to isolate the peptides that would be absorbed by our body," he added.
The study, detailed in the journal Hypertension, also discovered for the first time a molecules in spirulina, called SP6, which lowered the blood pressure of animals.
When put into the body SP6 is thought to stimulate a process in the body which releases nitric oxide.
This is an effect caused by nitric oxide, a chemical known for maintaining healthy blood pressure, the researchers reported.
Spirulina contains protein, iron, potassium, magnesium, and many other minerals and is widely used in supplements and smoothies for a host of conditions including weight loss, hay fever, PMS and diabetes.
Though more research is needed into the potential of spirulina, but the findings are promising for the future of "natural" treatments for high blood pressure, the researchers noted.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)