It can also improve your sexual performance so that you can please your partner for longer periods of time. Other studies suggest that the saponins work by increasing levels of nitric oxygen in the body. Boostaro is a dietary supplements that uses a number of natural ingredients in order to improve sexual function. Saponins also stimulate pituitary glands to release hormones, such as luteinizing hormones (LH), and follicle stimulating hormones (FSH). FAQsPeople have a few concerns about Boostaro, including how it promotes cardiovascular health and improves sexual function. A recent study suggests that lysine supplementation may benefit people who suffer from low libido or erectile dysfunction.