Stem cells are most commonly obtained from umbilical cord blood, cord tissue, bone marrow, and adipose (fat) tissue. Cord blood and tissue collected at birth are especially valuable due to their young, versatile stem cells, offering a significant resource for potential future therapies.

The storage process is carried out in specially licensed stem cell banks. After collection, the cells undergo quality control tests in laboratory settings to confirm their suitability. They are then cryopreserved at extremely low temperatures—typically at -196°C in liquid nitrogen tanks—to ensure they remain intact for many years.

Advantages of stem cell storage include having an exact genetic match for the donor, potential compatibility with family members, quicker access to cells for treatment, and the ability to benefit from emerging regenerative medicine technologies.

The procedure is entirely voluntary and must comply with ethical standards. To maintain the viability and functionality of the cells over time, regular monitoring and strict storage protocols are essential.