Comparing Natrolex vs. Virectin, complaints. Warning that Virectin Ingredients List has Damiana Leaf. This Virectin Review warns Virectin is Unsafe for High Blood Pressure. Meanwhile, the Mayo Clinic claims supplements like Natrolex raise blood pressure. With Natrolex, you swallow Ginseng. 61% of Virectin Customer Reviews at Amazon are unsatisfied 3 stars or lower. 75% of Natrolex Customer Reviews are 1 Star. Virectin is the lesser of two evils.