Complex sentence: When tarantulas are kept as pets, the best food that can be provided for them are crickets that have been gut loaded on vegetables, as this is the best source of hydrated nutrition for the tarantula.
Split into simpler sentences: When tarantulas are kept as pets, the best food that can be provided for them are crickets that have been gut loaded on vegetables. This is the best source of hydrated nutrition for the tarantula.