Some fruits and vegetables, and a few varieties of unsalted nuts, are the only human foods suitable for gerbils.
Gerbils have very different digestive systems to humans, adapted to the desert climate in which they evolved. They are unable to eat a lot of the things that we can happily digest. In particular, processed items such as crisps, cakes, sweets, and chocolate can upset your pets’ stomachs, cause major problems with their teeth, and even result in death.
For more detailed information, take a look at the Foods To Avoid page of this guide.
If it's not on our safe foods list, don't offer it to your pets
The following 'human' foods are suitable for gerbils too:
April, 18 May 2019
I don't thing gerbils should have pumpkin seeds.