Tongkat Ali: What The Research Actually Says

Tongkat Ali (Eurycoma longifolia) is one of the headline ingredients in JellyFil and dozens of similar formulas. Here's what the peer-reviewed literature actually supports.

What is Tongkat Ali?

A South-East Asian botanical whose root extract has been used traditionally for stamina, mood and vitality. Standardized extracts are the form used in modern supplements.

What the trials show

Small randomized trials suggest a role in supporting stress markers, subjective energy, and hormonal balance within normal physiological ranges. It is not a hormone and does not act like one.

Safety

Well-tolerated at typical supplement doses. As always, talk to your doctor if you take prescription medication.

See the source list on our Scientific Research page.