The Natural Calm Magnesium Citrate powder does help to lower high blood pressure. Your body uses calcium to thicken your blood and magnesium to make it thinner. If you do not have enough magnesium, your body may not be able to thin your blood properly at the appropriate times. Your body also uses calcium to contract muscles and magnesium to help them relax. When you body has sufficient magnesium, your blood vessels will also be more relaxed, allowing blood to flow more freely which helps result in a lower blood pressure.
So Natural Calm Magnesium Citrate powder will not lower your blood pressure like certain medications do but it will give your body the magnesium it needs so it can obtain a more normal blood pressure.