Naturally found within the body. Pregnenolone 50 mg 120 caps by Karuna is a dietary supplement used to treat a variety of ills within the body. Because it is used by the body to make steroid hormones. it was initially used as a means to treat fatigue by increasing energy. It is currently used to treat skin disorders like scleroderma and psoriasis. In addition. women are more prone to take it to treat menopausal symptoms.