Nichiren Buddhism understands karma as the universal law of cause and effect operating through thoughts, words, and deeds, shaping the conditions of one’s life. Yet this law is not regarded as a rigid fate; rather, it is a dynamic process that can be redirected. Present circumstances are seen as the result of past causes, but they are not a final verdict on a person’s destiny. Because every being possesses Buddha‑nature, no one is inherently doomed by previous actions. Karma, in this view, is real and powerful, but never absolute.

Within this tradition, faith in the Lotus Sutra—concretely expressed through chanting Nam‑myōhō‑renge‑kyō—is regarded as the deepest and most transformative cause a person can make. The very title of the sutra, especially the element “renge” (lotus), symbolizes the simultaneity of cause and effect: the act of chanting is directly linked with the effect of Buddhahood, even while karmic consequences from the past may still be unfolding. This practice is described as the strongest means to transform negative karma, sometimes articulated as “changing poison into medicine.” Suffering, including illness, poverty, or persecution, is thus reframed as an opportunity to reveal Buddhahood and to “lessen karmic retribution” by facing and overcoming adversity through practice.

Karma in Nichiren Buddhism is not only individual but also collective, influencing families, communities, and societies as a whole. Faith and practice are therefore understood to affect both personal destiny and the broader web of shared karma. Transforming one’s own karmic patterns becomes inseparable from contributing to the peace and happiness of others, a process often expressed in terms of working for the widespread propagation of the Lotus Sutra. In this way, personal problems rooted in past causes can be “changed into mission,” becoming the very means by which one encourages and uplifts others.

A distinctive feature of this perspective is its strong emphasis on the present moment as the decisive arena of karmic change. While acknowledging that past causes have shaped current conditions, Nichiren Buddhism insists that present faith in the Lotus Sutra is more powerful than any previous action. Through this practice, the inherent Buddha‑nature is said to be activated, enabling immediate spiritual benefit and protection even amid ongoing challenges. Karma, then, is not something merely to be endured or escaped, but something to be transformed, so that the energy once producing suffering becomes the driving force for liberation and compassionate action.