Tongkat Ali (Eurycoma longifolia) is a root native to South East Asia, valued in traditional herbal practice for centuries. Today it is most commonly taken as a standardised extract by men interested in supporting healthy, age-appropriate testosterone levels and general vitality.

TKA1:200 is a standardised root extract — analytically tested so every batch is consistent and predictable, and independently tested for purity and safety. Consistent, clean, properly tested material is the whole point.