Our N is for nuts... another great treat for gerbils. :)
Nuts like peanuts, almonds, walnuts, pecans, and other such nuts are very enjoyable for gerbils.
When buying gerbils nuts make sure they are unsalted, and preferably raw, or uncooked. Raw and unsalted nuts are better for gerbils while the roasted, flavored and salted nuts can be very unhealthy to gerbils and cause them health problems due to lack of nutrition, disease and obesity.
Gerbils also enjoy seeds. Seeds such as sunflower seeds, pumpkin seeds, sesame seeds and other such seeds are awesome source of protein and energy for gerbils!
Again with the seeds, the should be unsalted, unflavored and preferably raw, or uncooked.
Any flavored, salted, roasted nuts and or seeds in large quantities can be hazardous the a gerbils health and should not be given to them in large amounts.