Viagra Strong Pack gives you a chance to try two different strengths - 150 mg and 200 mg. Viagra helps you improve the quality of your sex life by helping you keep erections for longer and making them harder by stimulating blood flow to the tissues of the penis. You save a pleasant amount of money when ordering Viagra Strong Pack, plus you can find the perfect dosage. Make sure you never take Viagra 150 mg and 200 mg together.