Mealworms are the larvae of the darkling beetle and are a big favorite for many different types of pet. Dried mealworms are simply these mealworms which have been dried out either by freeze-drying or by heating.
Mealworms are not actually worms at all.
A typical analysis of dried mealworms is: Protein 53%, Fat 28%, Fibre 6%, Moisture 5% Protein.
Yes they can eat them. They will not harm a guinea pig if eaten and will be quite nutritious for them.
For more foods that guinea pigs can and can’t eat, check out our GUINEA PIG FOOD LIST.