Creatine: Yes!!!!
This is the golden standard of "regular" supplements. Most people notice strength and
weight gain in the firts 2-3 weeks when on this (I notice it after 2 days) and although the weight gain is almost entirely water it will help you get a few more reps on almost all your exercises. And that's all that matters really.
Glutamine: maybe, maybe not.
Depends on what form and when you take it. Regular L-glutamine will not make it past the intestine (at least no more than 5% will) so your muscles won't benefit. Plus, there's plenty of L-glutamine in regular
protein powder. Glutamine peptides might have better absorption rates but you should take it post-workout with a protein/high GI carb combo.