Alexei Navalny Being Transferred To Hospital

The transcript discusses an opposition leader who is a critic of President Vladimir Putin and is on a hunger strike for three weeks. His health is reportedly declining, and he is at risk of death. Despite this, prison officials state his condition is satisfactory, and he has agreed to take vitamin supplements.

What did the prison officials report about the opposition leader's condition?

What did the opposition leader agree to take during his hunger strike?