Both tongkat ali and butea superba are testosterone boosters. They twist the hypothalamic-pituitary-gonadal axis to allow higher plasma levels of free testosterone and dihydrotestosterone.
Thus, both herbals are useful in bodybuilding.
But beyond muscle mass, both herbals make men looking more attractive to women.
Numerous studies have shown that men look more attractive to women when they have comparatively high testosterone levels.
Attractiveness isn’t measurable like biceps circumference. But the correlation is clear.
Even women don’t know why they find men with high testosterone more sexy. But they do. It’s as if high testosterone evaporates from every cell of the male body and creates an aura of sexual attractiveness.