In men, testosterone can enhance tendon stiffness due to an enhanced tendon collagen turnover and collagen content, but testosterone has also been linked to a reduced responsiveness to relaxin.

Can testosterone help heal injuries?

It is clear that testosterone is needed for the wound healing process since decreased levels impede healing. Adequate testosterone levels are required for IGF-1 production, IGF-1 being a wound healing agent. However, there is no good data that an increase in testosterone levels above normal improves wound healing.

Do steroids help heal tendons?

A corticosteroid can improve the healing of damaged tendons, but it must be given at the right time, according to a new study from Linköping University in Sweden. In rats, the tendon became twice as strong. The results are presented in the journal Scientific Reports.