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Red Banana & Guava Gecko Diet
Instant powdered diet made with organic red banana powder with guava, high-quality cricket protein and a balanced complex of vitamins and minerals. Free from preservatives, artificial colourings and flavourings. Suitable for daily feeding.
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Red Banana & Guava Diet for crested geckos is a high-quality complete feed developed primarily for New Caledonian crested geckos and other fruit-eating arboreal reptiles.
The formula was developed and refined over a period of 9 years by exotic animal breeder and veterinary surgeon MVDr. Jakub Osmančík, with a strong focus on current nutritional science and modern veterinary knowledge.
This is not a compromise solution, but a carefully formulated diet designed to support long-term health, vitality and consistent appetite.
🍌 Why Red Banana?
The foundation of this diet is organic red banana powder made from bananas that are allowed to ripen fully in their country of origin before being gently processed.
✔️ Naturally sweet flavour and rich aroma
✔️ No need for artificial flavourings
✔️ Subtle fruity profile with notes reminiscent of raspberries and strawberries
✔️ Highly palatable, even for selective feeders
Because of the quality of the ingredients, there is no need for artificial “wow” effects aimed at keepers — what truly matters is the well-being and acceptance by the animals themselves.
🥭 Why Guava?
The formula is enriched with real guava powder, produced using gentle spray-drying technology to preserve its natural aroma and nutritional value.
Once again, we chose genuine fruit powder rather than simply adding artificial fruit flavouring to an existing formula. Guava is naturally aromatic and distinctive on its own.
✔️ Made from real guava
✔️ Naturally intense aroma
✔️ No artificial flavourings
✔️ Maintains the clean fruit-based profile of the diet
Guava adds an exotic, naturally sweet fruit note that enhances palatability while keeping the formulation free from unnecessary synthetic additives.
🦗 High-Quality Cricket Protein
The formula includes food-grade house cricket meal (Acheta domesticus).
This ingredient helps address a common issue among crested gecko keepers — individuals that refuse live insects or accept them only seasonally.
✔️ A natural source of high-quality protein and beneficial fats
✔️ Better palatability compared to other insect meals
✔️ Maintains the fruity flavour profile of the diet
🐝 Functional & Supportive Ingredients
Bee pollen – a natural source of nutrients; also suitable for dusting feeder insects
Silymarin (Milk Thistle) – supports liver health and acts as a natural antioxidant
Immunoglucans (Beta-glucans) – help support normal immune function
Green superfoods – chlorella, spirulina, young wheat and young barley
🍽️ Feeding Instructions
Mix 1 part powder with 2 parts water, adjusting the ratio to achieve the desired consistency.
Serve freshly prepared.
Remove any uneaten food within 24 hours.
Can be used as a staple complete feed or offered alongside live insects.
🦎 Suitable For
✔️ New Caledonian crested geckos
✔️ Other fruit- and nectar-feeding gecko species
✔️ Individuals that refuse or inconsistently accept live insects
| Component | Value |
| Crude Protein | 22,2 % |
| Crude Fat | 4,9 % |
| Calcium | 2,1 % |
| L-lysine | 0,5 % |
| D,L-Methionine | 0,5 % |
| Moisture | max. 4 % |
Composition
| Red Banana | Inulin |
| Guava | L-Lysine |
| Whey Protein | Chlorella |
| Cricket Meal (Acheta domesticus) | Spirulina |
| Dried Egg Yolk | Immunoglucans |
| Minerals | Lecithin |
| Bee Pollen | Silymarin |
| Alfaalfa | DL-Methionine |
| Young Green Wheat | |
| Young Green Barley |
Additives per 1 kg
| Vitamins | Amount | Vitamins | Amount |
| A | 14 400 IU | B12 | 0,33 μg |
| D3 | 2 800 IU | C | 9,74 mg |
| E | 1,34 mg | Biotin | 5,58 μg |
| B1 | 145 μg | B6 | 171 μg |
| B2 | 185 μg | Pantothenic Acid | 1,22 mg |
| Folic Acid | 40,6 μg | Niacin | 1,79 mg |
Silybum marianum extract – 1000 mg
Trace Elements per 1 kg
| Element | Amount |
| Copper (3b405) | 4,5 mg |
| Zinc (3b603) | 28,8 mg |
| Manganese (3b502) |
32,4 mg |
| Iron (3b103) | 32,4 mg |
| Selenium (3b801) | 0,063 mg |
| Iodine (3b201) | 0,162 mg |
📦 Additional Information
- Minimum shelf life: 18 months from date of manufacture
- After opening: use within 6 months
- Storage: store at room temperature, keep tightly closed
- Made in the Czech Republic
- Free from preservatives, artificial colourings and flavourings
About the Dr. Rhaco Brand
The Dr. Rhaco brand was created out of the need to offer reptile keepers truly functional, professionally developed products. It was founded by veterinary surgeon MVDr. Jakub Osmančík, who has long specialised in exotic animal medicine.
The name Dr. Rhaco combines the words Doctor and Rhacodactylus – a genus of New Caledonian geckos that inspired the development of the first formulations. Working closely with these species and addressing their health issues on a daily basis led MVDr. Osmančík to develop his own specialised feed.
In reptile medicine, not only professional knowledge but also practical breeding experience plays a crucial role. MVDr. Osmančík is a lifelong keeper of terrarium animals and has extensive hands-on experience with reptile husbandry and the challenges it brings. The combination of veterinary practice and years of breeding experience enabled him to create formulations that reflect the real needs of crested geckos and other New Caledonian species.
Dr. Rhaco feeds are not the result of a passing trend, but of long-term development and testing. The formulations were carefully refined based on clinical experience, observation of the animals’ condition, growth, reproduction and overall vitality. Emphasis is placed on a balanced nutrient profile, high-quality protein sources, optimal calcium levels and easy digestibility.
MVDr. Osmančík’s expertise includes clinical examination of exotic animals, parasitology, cytology, microscopy, coprology, and assessment of husbandry conditions, including UVB, UVI and UVC measurement using professional equipment. In cooperation with reliable laboratories, he provides blood testing, microbiology and viral diagnostics using PCR methods. He is equipped with anaesthesia equipment and an endoscope, and also performs sex determination using endoscopy.
This professional expertise is directly reflected in the development of Dr. Rhaco products. Each formulation is based on real clinical practice rather than purely theoretical recommendations. The goal is to support healthy growth, proper skeletal development, strong immunity and the long-term condition of kept animals.
The Dr. Rhaco brand represents a combination of veterinary expertise, long-term breeding experience and a strong focus on high-quality ingredients. The products are designed to make reptile care easier for keepers while providing confidence that they are giving their animals the very best.
Dr. Rhaco is not just a feed brand. It is a professional approach to reptile health built on experience, precision and respect for the needs of every individual animal.
| Manufacturing company : | Dr. Rhaco, s.r.o. |
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| Address : | Korunní 2569, 101 00 Praha – Vinohrady |