Check the listing for details. Swanson Longjax Eurycoma Longifolia Jack Extract 400 mg 30 Capsules. Condition: New. Listed at 17.58 USD. Rev up your libido with LongJax(R); Eurycoma Longifolia Jack. The root of the Malaysian herb Eurycoma Longifolia Jack (also known as Tongkat ali) has been used for centuries as an effective way to support sexual health. Our capsules feature a super-potent 20:1 root extract to give your love life an invigorating boost.LongJax Eurycoma Longifolia Jack Extract helps make your intimate encounters more enjoyableFeatures a concentrated 20:1 Eurycoma longifolia jack extractAlso known as Tongkat ali100% MONEY BACK GUARANTEE – Our products reflect our commitment to giving you the best quality and service at the best price. We guarantee that every product you purchase is made from the purest, freshest nutrients and meets the highest quality standards. If you aren’t completely satisfied with any product(s) purchased within the last 30 days, simply return the unused portion to us for a full refund.Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.