In Jainism, the foundational principle is ahimsa (non-violence) toward all living beings. MMA (mixed martial arts) is a combat sport that involves striking and can cause injury. From a strict Jain perspective, engaging in activities that regularly involve harming others is generally avoided, because it conflicts with the core ideal of causing the least possible harm.

Key points to consider:

• Ahimsa and restraint: Jain teachings emphasize self-control, peace, and avoiding violence. Participating in a sport whose aim is to injure or overpower opponents typically conflicts with this principle.
• Intention and impact: If someone practices any activity, including sports, with a strictly non-harmful, defensive mindset and with the intention of fitness or self-discipline (not to harm others), some may consider it more acceptable. Still, the likelihood of causing harm in a contact sport is high, which makes it problematic from a traditional Jain view.
• Community guidance: For lay Jains, it is best to seek guidance from a trusted Jain teacher or community elder who can consider personal circumstances (like fitness, self-defense needs, and the level of violence involved in training) and provide a direction consistent with ahimsa.

Safer alternatives aligned with Jain values:

• Non-violent physical training: Yoga, cardio workouts, swimming, or running for health and vitality without the element of harming others.
• Martial arts with a strong non-harm focus: If any form is pursued, emphasize disciplines that center on self-control, discipline, and non-violence, and avoid practices that encourage harming others.

If you want, I can share more on how Jain principles guide exercise, discipline, and self-defense in a way that stays true to ahimsa.