hard money loans and personal guarantees

I am new to investing and haven't done any deals so far but I would like to start offering as quick as I can. I am In the process of selecting a hard money lender and trying to get pre-approved but I do not want to get taken advantage of. Do all or most hard money lenders require that you sign a personal guarantee in order to lend to you? I am using an LLC to purchase the property which is why I am guessing they would require a personal guarantee.