Nugenix® tongkat ali longjack - premium men's essentials series powerful herbal extract eurycoma longifolia, also known as tongkat ali or longjack, is a plant native to regions of southeast asia. Well known for centuries, this herb is frequently harvested for its roots and made into a tonic for the enhancement of sexuality and male vitality. Our tongkat ali provides 200mg of concentrated 100: 1 extract per capsule for powerful. Sexual health male vitality concentrated extract. Nugenix tongkat ali longjack - 30 capsules (30 servings)