Here is a short listing of the things Tongkat Ali is applied for:

Fever-Related Ailments – Malaria, Internal & External Infections;
Boost Male & Female Libido & Romantic Appetite;
Enhance Fertility & Reproductive Ability;
Raise the Immunity Defense Levels, As It Is Rich in Antioxidants, Flavonoids, & Alkaloids;
Relieve Stress & Induce Inner Peace & Harmony;
Tone the Body, Elevate the Mood, & Increase Stamina;
Help the Body Build Leans Muscle Tissue;