Castaway Organics Insecta-Load Gut Load for Feeder Insects (Crickets, Mealworms, Superworms, Dubia), 8 Ounce Review (2026)

What gut loading with this product actually does

Insecta-Load is a dry powder meant to be offered directly to feeder insects rather than to the reptile itself, and its nutritional value only transfers once the insects have eaten it. The product is formulated with balanced calcium to phosphorus ratios along with vitamins A, D, and E, nutrients that a plain grain diet often lacks in feeder colonies. Because the powder targets crickets, mealworms, superworms, and dubia roaches with one formula, a keeper running a mixed colony for multiple reptile species does not need a separate gutload for each insect type. The listed protein content sits at 12 percent, which supports the insects themselves staying active and healthy while they carry the supplement toward the animal eating them.

How long insects need to eat it first

The product instructions call for giving feeder insects all the Insecta-Load they can eat for 24 to 48 hours before those insects are offered to a pet reptile or amphibian. This window matters because gut loading only works while food is still moving through an insect's digestive tract, so feeding it the morning of a feeding session provides far less benefit than a full day or two of access beforehand. Keepers running a rotating feeder stock benefit from setting aside a dedicated container of insects on Insecta-Load a couple of days ahead of a scheduled feeding, rather than trying to gutload the entire colony at once. Fresh water or a moisture source alongside the powder helps insects eat consistently during that loading period.

Who gets the most out of an 8 ounce bag

An 8 ounce bag is sized for a small to mid-size feeder operation, such as a single reptile household or a keeper with a couple of animals on a regular insect diet, rather than a large breeding colony that would burn through the smaller size quickly. Because the formula is organic and free of the cheaper filler grains found in some basic gutloads, it appeals to keepers who prioritize a more natural feeder diet over the lowest possible price per ounce. Owners who already dust insects with a separate calcium powder can use this product as a complementary step rather than a replacement, since gut loading addresses internal nutrition while dusting coats the outside of the insect just before feeding.

How it compares to other feeder supplements

Against a bulk product like Josh's Frogs Premium Cricket Cuisine sold by the gallon, Insecta-Load comes in a smaller format better suited to a household with modest feeder needs rather than a large scale operation. Compared with Fluker's Hi Calcium Cricket Feed, which leans on calcium fortification in a grain base, Insecta-Load's organic multi species formula covers dubia and superworms in addition to crickets and mealworms without needing a second product. Dusting powders such as Rep-Cal's shaker or Komodo's calcium powder solve a different problem entirely, since they coat insects right before feeding rather than building up nutrition inside the insect over a day or two. A well-rounded feeder routine typically combines a gut load like this with a light calcium dusting rather than relying on either alone.

Bottom line for buyers

Choose Insecta-Load if a household feeds a mix of crickets, mealworms, superworms, or dubia roaches and wants one gutload that covers all of them without buying several specialized products. The organic formula and vitamin content make it a reasonable step up from bare grain feed for keepers focused on reptile nutrition rather than the lowest per-ounce cost. It is not a quick fix, though, since the insects need a day or two of steady access to the powder before that nutrition actually reaches the reptile eating them, so it works best as part of a planned feeding schedule rather than a last minute addition.

Frequently asked questions