You can revitalize your bone marrow, replenish your blood, and strengthen your bones through the simple process of absorbing energy into your bones. In Revitalize Your Bone Marrow, Master Mantak Chia presents the practice of Bone Marrow Nei Kung, a system for cultivating internal power. In this third level of Iron Shirt Chi Kung you will learn to cleanse and purify the Chi life force energy in your bones and organs so that they resist aging and disease. Zipped files for 2 DVDs (12 files, approximately 8.3 GB).