Each named ingredient, what it's traditionally used for, and where the research stands.
Native to parts of North America and Asia, historically used in general wellness practices. Some marketing overstates its "diosgenin" hormone-precursor angle; direct research on energy specifically is thin.
By far the best-studied ingredient here, though the research is almost entirely about benign prostatic hyperplasia (BPH) symptoms in older men, not the energy or confidence angle this product is marketed around.
Eurycoma longifolia, traditionally used across Malaysia and Indonesia. Some smaller studies point to a role in stress-hormone regulation, though sample sizes tend to be small.
Contains icariin, a compound mostly studied in cell and animal research rather than large-scale human trials.