Vetark Nutrogrub is a complementary gut-loading food designed for feeder insects such as mealworms, crickets and locusts. It is based on a highly palatable vegetable protein source enriched with calcium, B vitamins, Nutrobal and calcium carbonate, helping improve the nutritional value of insects before they are fed to reptiles, birds and other insect-eating animals.
Nutrogrub is designed to support successful gut loading in both hopper-type insects and mealworms using one simple product. Independent laboratory testing has shown increased calcium levels in crickets by up to x10 and in mealworms by up to x7, making it a practical way to improve feeder insect nutrition prior to use.
The protein level is kept low enough to help prevent mealworms from maturing too quickly, while still providing suitable support for feeder insects. Nutrogrub can be offered dry or mixed with water into a soft paste. If fed as a paste, replace every 24–48 hours. For best results, avoid providing other food or water sources in the 48 hours before insects are used as food.
Key Benefits
- Complementary gut-loading food for feeder insects
- Suitable for mealworms, crickets and locusts
- Provides protein, calcium and B vitamins
- Enhanced with Nutrobal and calcium carbonate
- Independent testing showed calcium increases in crickets by up to x10 and mealworms by up to x7
- Can be fed dry or mixed into a paste
How to Use
- Offer Nutrogrub dry in a shallow dish, or mix with water to create a soft paste
- Feed to insects such as mealworms, crickets and locusts before they are used as food
- If mixed into a paste, replace every 24–48 hours to keep it fresh
- For best gut-loading results, avoid giving insects other food or water sources in the 48 hours before use
Key Ingredients & Nutritional Features
- Millet flour and bran base
- Added calcium carbonate and dicalcium phosphate
- Fortified with vitamins, amino acids and trace elements
- Includes vitamin A, vitamin D3, vitamin E and B vitamins
- Calcium content: 20.8%
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Suitable For
- Mealworms
- Crickets
- Locusts
- Other feeder insects used for reptiles, birds and amphibians
Frequently Asked Questions
What is Vetark Nutrogrub used for?
Nutrogrub is a gut-loading food for feeder insects such as mealworms, crickets and locusts. It helps improve their nutritional value before they are fed to reptiles, birds or other insect-eating animals.
Can Nutrogrub be fed dry?
Yes. Nutrogrub can be offered dry, or mixed with water into a paste depending on your preferred feeding method.
How long can the paste be left with insects?
If mixed into a paste, it should be replaced every 24–48 hours to keep it fresh.
Which insects can be fed Nutrogrub?
It is suitable for mealworms, crickets, locusts and other commonly used feeder insects.
Has Nutrogrub been tested for improving calcium levels in insects?
Yes. Independent laboratory testing showed increased calcium levels in crickets by up to x10 and in mealworms by up to x7 when gut loaded with Nutrogrub.
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