You want your partner to feel satisfied and happy. Proline is used in the production of collagen, which supports skin and connective tissues. Nitric Oxide relaxes the arteries supplying blood to the male penis, allowing for more blood flow. This supplement helps men to repair their damaged penile tissue so that the blood flow to the penis can be unhindered. Some of the ingredients used to make Boostaro stimulate nitric oxygen production in the body. This will increase your desire to have frequent sexual relations with your partner. Pine bark extract can also improve libido, as well as erectile dysfunction. Helps Boost Testosterone LevelsBoostaro was formulated with natural ingredients that are highly effective and can significantly increase your testosterone levels. It has antioxidant properties that help protect against free-radical damage. Three different packages are available to purchase Boostaro bottles that are suitable for your budget. L-lysine's improved blood circulation helps reduce inflammation all over the body.