[Solved] Two Different Vitamins May

A university football player sustained a knee injury that required reconstruction of his anterior cruciate ligament (ACL). This surgery required removing the middle third of his patellar ligament and using it as a graft to replace his ACL. After surgery, adequate intake of which vitamin might speed his recovery? Explain your answer. 

A deficiency in two different vitamins may result in bruising. Identify these two vitamins and contrast the causes for the bruising.