From the Manufacturer:
According to Ayurveda: These herbs are best known for normalizing the elevated blood pressure and other associated problems. They are useful in insomnia and decrease the hyper excitability of the brain and heart. They reduce headaches and dizziness associated with the brain and calms the mind. These herbs protect the heart from shock and act as diuretic, cardio tonic, stress reliever and anti-inflammatory agents.
As Dietary Supplements all the herbs used in Cardio-B have been used safely for centuries in Ayurveda (Indian herbal system) as a natural support for healthy blood pressure and circulatory function.
Contraindications: Use under the care of your health care provider especially for Low Blood Pressure, pregnant & lactating females and in old age above 70 years.