These Guardsmen carry rifles equipped with bayonets but as a rule their rifles are not loaded with live ammunition. The Guardsmen may carry up to six rounds in a belt pouch and may load their rifles in event of a terrorist attack, but that would take valuable time.

Do the Queen's guards get bathroom breaks?

There are no bathroom breaks, ever.

During their shifts guarding the sentry posts, it's not true that the guards have to stay completely still (they march a short distance from time to time). What is true is that they can never leave their post.

Can the Queen's guard hit you?

A video is circulating on social media purporting to show a member of the Queen's Guard (who guard the official royal residences in the United Kingdom) punching a black man to the ground. This claim is false.