Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 6 months ago

Yes, it is compulsory for you to get circumcised as the Hadeeth narrated from Imam Jafar Al-Sadiq (AS) that Imam Ali (AS) said: When a man becomes a Muslim, he must get circumcised even if he reached the age of eighty.

( Was'il al-Shia by al-Hurr al-Aamili, vol. 21, page 440.)

It is not allowed for man to perform Tawaf ( around the Ka'bah) if he is not circumcised as it narrated from Imam Jafar Al-Sadiq ( AS): uncircumcised man is not allowed to do Tawaf around Ka'bah. ( Wasa'il al-Shia by al-Hurr al-Aamili, vol. 13, page 270).