Nekton-Rep (Vitamin A Supplement)


Sold By: Houston Frogs

Nekton-Rep is made in Germany from some of the finest vitamins and minerals. Established in 1967 and trusted by countless European Amphibian, Reptile, and Bird keepers, we are proud to now be able to offer a stable supply of this high quality supplement to the US hobby at an affordable price.

We recommend using this product 1-2x per month for Breeding Dart Frogs to increase  fertility via dusting their fruit flies. Use in conjunction with Nekton-Multi-Rep (1x per week) and Nekton-Rep Calcium+D3 (2x per week).

  • 35 Gram
  • 70 Gram

SKU: NKT-REP-VTM-A-35-GRM Categories: , ,
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Remember to keep all vitamins (regardless of brand) refrigerated to prolong shelf life and to replace your vitamins every 6 months (again, regardless of brand), as they begin to oxidize once the seal is broken, reducing their potency with time (just like your own vitamins or medications!). 

We now include (at no extra charge) 3 food-grade desiccant packs and 3 food-grade oxygen absorbers hermetically sealed in a 3 mil-bag in individual compartments with every bottle. Open one cell of the 3-pack and place the included oxygen absorber and desiccant pack into your supplement bottle after opening. Change out each month (3 month-supply included). This will further prolong the life of your supplements after opening and will reduce or eliminate condensation within the bottle when refrigerated.

NEKTON-Rep contains 12 vitamins, 6 trace elements, 2 amino acids as well as calcium. NEKTON-Rep increases the rate of skin formation and encourages the functionality of the mucous membranes as well as the animal’s entire energy metabolism and stimulates growth. Animals with vitamin/mineral deficiencies are usually not very active; NEKTON-Rep balances out this lack of nutrients and the animals are significantly more energetic. Signs of paralysis, such as e.g. legs tightening, are prevented by regularly administering NEKTON-Rep. NEKTON-Rep has a positive effect on the development of muscles, glands and the nervous system. NEKTON-Rep additionally increases the fertility and hatchability of amphibian and reptile embryos.


NEKTON-Rep is primarily an extremely high-quality vitamin compound which, due to its high proportion of “epithelial protection vitamin” A (retinol), takes over a hugely important function by developing reptiles’ and amphibians’ skin and mucous membranes. Molting difficulties and skin disease are very common for these groups of animals, which are signs of an inadequate supply of essential vitamins and minerals.

Amphibians and reptiles are vertebrate like their aquatic ancestors. Only a small amount from the abundance of orders, families, genera and species from prehistoric times have remained, however a total of around 9,000 species still offer a variety of shapes, colors and characteristics. Today’s reptiles and amphibians can be found on all continents and reside in a wide-variety of habitats. Amphibians have not yet been able to fully break away from their ancestors’ habitat. As their skin does not have sufficient protection against evaporation, they still mainly have to live in water or near it in damp areas so they do not dehydrate. Even though a few reptiles are water dwellers, their offspring evolve without this interim stage and hatch from eggs as miniature versions of their parents. In most cases, reptile embryos develop fully within the egg and hatch during or shortly after delivery. Because the freshly hatched/new born young animals breathe air and also have a solid protective skin, unsuitable for letting the skin breathe, eggs and young animals must be deposited on land. The requirements that must be fulfilled to keep and preserve amphibians and reptiles are diverse. You must first learn as much as possible about the animal’s natural habitat to adequately adapt the terrarium. If it is not always possible to fully recreate the natural habitat, you can also keep the animal in the best possible health and ready to reproduce. The most basic conditions for this are: Light, temperature, air, space and nutrition. The requirements of our terrarium animals’ types of food are very different. Amphibians are mostly carnivores. Reptiles are carnivores, herbivores or omnivores, depending on the species. Whatever it likes, the most crucial part of nutrition is its ingredients: Carbohydrates (starch, sugar, raw fiber), fats, proteins, minerals (major and trace elements), vitamins, water. Carbohydrates supply energy. A total lack of carbohydrates can damage the composition of the intestinal flora and can result in disruption of vitamin synthesis. As concentrated calorie carriers, fats also supply the necessary energy for the animal’s body. An important function of fat in the metabolism is its ability to reabsorb liposoluble vitamins and pro-vitamins. From the fatty acids, unsaturated fatty acids are particularly important because they ensure the undisturbed development of the skin and scales as well as regulating the entire body’s water supply. Protein substances of each food consists of different amino acids that cannot be replaced by other substances. The individual amino acids derived from food are suitable for different animals in a variety of ways to build up the body’s natural proteins. From the minerals, the following major elements elements are important: Sodium, potassium, phosphorous, calcium and magnesium. Also important are the trace elements copper, zinc, manganese, cobalt, molybdenum, iodine and iron. They are crucially important for regulating the water supply and for protein metabolism. Chlorides and phosphates must be present in salts. Calcium and phosphates, in balanced proportions, are exceptionally important for bone construction and maintaining stability. The body requires vitamins to support the flow of essential processes. Vitamins resemble catalysts, i.e. they intervene with controlling the metabolism, without actually supplying energy themselves or serve as building material for constructing body cells. A healthy body can only produce a few of them itself and not always in sufficient quantities. If a sufficient quantity is not available, deficiency symptoms begin. A number of defects due to a lack of vitamins are known in amphibians and reptiles. For example, to little vitamin A can lead to eye inflammation or eye damage. Bone damage in amphibians and bone softening in reptiles is caused by a lack of vitamin D. A shortage of the B-complex vitamin is significantly involved in digestive disorders, paralysis and skin damage. To prevent such deficiency symptoms and to be able to offer the animal optimum nutrition at all times, NEKTON has developed a range of products that enable specific care with the various nutrients and active substances.

Due to the diversity of the different reptile and amphibian species, it is difficult to specify a precise dosage. It usually depends on how much liquid or the amount of feed the animal takes in.

A green measuring spoon is attached to each bottle of NEKTON-Rep. 1g of NEKTON-Rep corresponds to one measuring spoon.


Additional information

Weight 0.25 lbs
Dimensions 4 × 2 × 2 in

35 Gram, 70 Gram

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Vendor Information

  • Store Name: Houston Frogs
  • Vendor: Houston Frogs
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Product Location

Spring, TX 77386, USA

We generally do not offer refunds unless the animal is delivered to a FedEx hub and picked up within one hour.  If at that time the animal is deceased, the vendor will be required to refund payment.  Other than that, we cannot guarantee proper care after delivery and any requests will be taken on a case by case basis.  Please email if you are not satisfied with the vendor resolution.

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