The go to is usually a generic polyethylene glycol powder with lots of water. Brand names are Miralax, ClearLax, GlycoLax, etc.

You're getting older now, and your body is undergoing changes. You'll get hair in funny places, and your lactase production is diminishing. That means you can't have pizza as often, and you have to learn to enjoy letting someone else enjoy a few slices of the pie.

It's all down the tubes from here.