Tongkat Ali is an herb from Malaysia that is known for boosting male sexual performance. Also known as pasal bumi, it has been used for centuries as a natural aphrodisiac. Tongkat Ali is known to increase men’s interest in sex and invigorate the libido as well as enhance stimulation and performance. It’s made from the root of the herb Eurycoma longifolia jack. Swanson Passion LongJax Eurycoma Longifolia Jack delivers a potent 20:1 ratio of root extract while Swanson Passion Tongkat Ali features a pure root extract.