Suprasorb A Alginate Highly Absorbent Dressing. Suprasorb® A is a highly absorbent calcium alginate dressing that is an excellent choice in caring for heavily discharging or infected wounds. Made from cross-linked natural calcium alginate fibers, the highly absorbentSuprasorb® A may be used for treating heavily exuding, deep or superficial wounds in the exudation and granulation phase.