Why does @coach.suave use L Carnitine? PERFORMIX SST Support Burn uses the simple, yet effective ingredient L Carnitine to: boost your metabolism utilize fat for energy, instead of muscle power you through your workouts No Prescription Needed. Ever., SST X was built to go beyond the counterno gatekeepers, no waiting rooms, no BS., Just elite fat burning, focus, and clean energyon your terms., Welcome to Performix SST Burn () SST Control Smart Supplement