They said the 50mg of the RVPSL peptide appeared to have the same affect as 10mg of Captopril.They added that the peptide also appears to survive cooking, so eating egg whites could be a useful way of to help patients keep their blood pressure down, particularly when used alongside medication.Eggs have often been described as being bad for health due to their high cholesterol content, but recent research has suggested they are healthier than previously believed.