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NexGard Spectra
/
Large Flea, Tick, Mites and Worming Chew (15-30kg)

Large Flea, Tick, Mites and Worming Chew (15-30kg)

NexGard Spectra
4.8
(
1602
)
NexGard Spectra™ for Dogs builds on NexGard's proven flea and tick protection by adding comprehensive internal parasite coverage in a single monthly beef-flavoured chew. Combining afoxolaner and milbemycin oxime, it is Australia's most complete all-in-one oral parasite treatment for dogs. Each dose protects against paralysis ticks, brown dog ticks, bush ticks, fleas, demodex mites, heartworm disease, roundworms, hookworms and whipworm — and also prevents development of the oesophageal worm (spirocercosis). Fleas are killed within 8 hours, making it effective at controlling flea allergy dermatitis. Safe for puppies from 8 weeks of age and weighing at least 2 kg, available across five weight-based sizes up to 60 kg.
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Overview

NexGard Spectra™ for Dogs builds on NexGard's proven flea and tick protection by adding comprehensive internal parasite coverage in a single monthly beef-flavoured chew. Combining afoxolaner and milbemycin oxime, it is Australia's most complete all-in-one oral parasite treatment for dogs.

Each dose protects against paralysis ticks, brown dog ticks, bush ticks, fleas, demodex mites, heartworm disease, roundworms, hookworms and whipworm — and also prevents development of the oesophageal worm (spirocercosis). Fleas are killed within 8 hours, making it effective at controlling flea allergy dermatitis. 

Safe for puppies from 8 weeks of age and weighing at least 2 kg, available across five weight-based sizes up to 60 kg.

Ingredients

Active: Afoxolaner, Milbemycin Oxime. Inactive: Beef Braised Flavouring, Butylhydroxytoluene, Citric Acid Monohydrate, Glycerol, Macrogol 400, Macrogol 4000, Macrogol 15 Hydroxystearate, Maize Starch, Povidone, Soy Protein Fines, Triglycerides Medium-Chain.

Ingredient images are illustrative only and may not represent the exact source or form used by manufacturers.
Black and white structural diagram of the afoxolaner molecule, showing labelled atoms and bonds for dog parasite prevention
Afoxolaner
Afoxolaner
Summary
Afoxolaner is an isoxazoline insecticide and acaricide used in oral flea and tick preventatives. It works by blocking chloride ion channels in the nervous systems of parasites, causing uncontrolled neurological activity that rapidly kills fleas and ticks.
Black and white diagram of milbemycin oxime chemical structure with rings and bonds on a plain background
Milbemycin Oxime
Milbemycin Oxime
Summary
Milbemycin oxime is a refined form of milbemycin used in oral preventatives for heartworm and intestinal worms. It paralyses and kills parasites by increasing the permeability of their cell membranes, and is commonly combined with other actives for broader spectrum protection.
Fine, light brown beef flavour powder with a crumbly texture, commonly used as a dog food ingredient in Australia
Beef Flavour
Beef Flavour
Artificial Beef Flavour, Beef Flavouring, Beef Flavoured Substance, Simulated Beef Flavour
Summary
Beef flavour is a palatant derived from animal sources, designed to mimic the taste and aroma of beef. Its primary purpose is to enhance the palatability of pet food, encouraging consistent consumption. Rather than using whole beef, beef flavour is typically produced through natural or artificial flavouring compounds, ensuring safety, stability, and uniformity in the final product.
Why it's used?
Beef flavour is included as a palatability enhancer to increase the appeal of the product to dogs. It provides a cost-effective way to impart a desirable taste without the need for actual beef content.
Off-white, fine powder form of butylhydroxytoluene ingredient used in dog supplements and pet food
Butylhydroxytoluene
Butylhydroxytoluene
2,6-Di-Tert-Butyl-4-Methylphenol, BHT, E321, 2,6-Di-Tert-Butyl-P-Cresol
Summary
Butylhydroxytoluene (BHT) is a synthetic antioxidant derived from petroleum sources. It is primarily included in pet food to prevent the oxidation of fats and oils, thereby extending shelf life and maintaining nutritional quality. BHT is not used in its raw chemical state; instead, it is incorporated as a purified compound specifically formulated for food safety and effective preservation.
Why it's used?
Butylhydroxytoluene is included as a synthetic antioxidant to extend shelf life by preventing the oxidation of fats and oils in pet food. Its use helps maintain product stability and freshness during storage and distribution.
Fine white powder texture of citric acid monohydrate, a common food additive and preservative for dogs
Citric Acid Monohydrate
Citric Acid Monohydrate
2-Hydroxypropane-1,2,3-Tricarboxylic Acid Monohydrate, E330 Monohydrate, Monohydrate of Citric Acid, Citronensäure Monohydrat
Summary
Citric acid monohydrate is a compound derived from citrus fruits, classified as a plant-based ingredient. It serves primarily as a natural preservative and acidity regulator, helping to maintain product freshness and stability. Citric acid is not used in its raw, crystalline form but is utilised as a monohydrate compound to optimise solubility and ensure safe, effective incorporation into pet food formulations.
Why it's used?
Citric acid monohydrate is included as a preservative to enhance product stability and extend shelf life by inhibiting microbial growth. It may also be used to adjust acidity, optimising the flavour profile and maintaining ingredient integrity.
Clear, slightly viscous drop of glycerol with a glossy texture on a white background, used in dog health products
Glycerol
Glycerol
Glycerin, Glycerine, 1,2,3-Propanetriol, E422
Summary
Glycerol is a naturally occurring compound derived from plant or animal fats and oils. In pet food, it serves primarily as a humectant, helping to retain moisture and improve texture. Glycerol is not used in its raw, unrefined state; instead, it is utilised in a purified, food-grade form to ensure safety and optimal absorption in pet diets.
Why it's used?
Glycerol is included as a humectant to retain moisture and improve the texture of pet food products, helping to prevent them from drying out. It also acts as a cost-effective preservative, extending shelf life by inhibiting microbial growth.
Clear, glossy liquid puddle of Macrogol 400 with a smooth texture on a white background
Macrogol 400
Macrogol 400
Polyethylene Glycol 400, PEG 400, Polyoxyethylene 400, E1521
Summary
Macrogol 400 is a synthetic compound derived from petroleum, classified as a polyether. It is primarily used in pet food as a laxative agent to support digestive health and promote regular bowel movements. Macrogol 400 is not used in its raw chemical form; instead, it is utilised as a purified, pharmaceutical-grade compound to ensure safety and effective absorption in pets.
Why it's used?
Macrogol 400 is included as a humectant to maintain moisture content and optimise texture stability in pet food formulations. Its use can also aid in preventing ingredient clumping and extending product shelf life.
Fine white powder texture of macrogol 4000 in a close-up circular view, used as a dog health supplement
Macrogol 4000
Macrogol 4000
Polyethylene Glycol 4000, PEG 4000, E1521, Poly(ethylene Glycol) 4000
Summary
Macrogol 4000 is a synthetic compound derived from ethylene glycol, classified as a polyethylene glycol. It is included in pet food primarily as a laxative agent to support digestive health and promote regular bowel movements. Macrogol 4000 is not used in its raw chemical form but is specifically formulated for safe ingestion and optimal efficacy in gastrointestinal function.
Why it's used?
Macrogol 4000 is included as a functional ingredient to act as a laxative or stool-softening agent, supporting digestive health and regularity in pets. Its use can help manage or prevent constipation, particularly in specialised or veterinary diets.
Off-white, waxy flakes of macrogol 15 hydroxystearate loosely piled on a plain background
Macrogol 15 Hydroxystearate
Macrogol 15 Hydroxystearate
Polyoxyl 15 Hydroxystearate, PEG-15 Hydroxystearate, Polyethylene Glycol 660 Hydroxystearate, Eumulgin H 15
Summary
Macrogol 15 Hydroxystearate is a synthetic compound derived from the esterification of macrogol (polyethylene glycol) and hydroxystearic acid, both of which are of chemical origin. It is primarily used as an emulsifier to stabilise fat and water mixtures in pet food. This ingredient is not used in its natural form but is specifically manufactured to optimise safety, consistency, and absorption.
Why it's used?
Macrogol 15 Hydroxystearate is included as an emulsifier to improve the stability and uniformity of fat and oil components in pet food formulations. Its use helps optimise product texture and shelf life without significantly impacting palatability or nutritional value.
Fine white powdery maize starch with a soft, slightly uneven texture, commonly used as a dog food ingredient
Maize Starch
Maize Starch
Corn Starch, Zea Mays Starch, E1401, Cornflour
Summary
Maize starch is a carbohydrate ingredient derived from the endosperm of maize (corn) kernels, making it a plant-based component. It serves primarily as a source of easily digestible energy and acts as a functional binder in pet food formulations. Maize starch is utilised in its processed, refined form rather than as whole maize, ensuring consistency, digestibility, and suitability for pet nutrition.
Why it's used?
Maize starch is included as a cost-effective carbohydrate source that provides energy and helps bind kibble, optimising texture and processing efficiency. Its neutral flavour and label-friendly profile also support product stability and consumer acceptance.
Fine white povidone powder with a slightly granular texture, displayed in a circular mound for dog health use
Povidone
Povidone
Polyvinylpyrrolidone, PVP, E1201, Polyvidone
Summary
Povidone is a synthetic polymer derived from the chemical polymerisation of vinylpyrrolidone. It is not of animal or plant origin but is manufactured for use in various industries, including pet food. Its primary function is as a binder, helping to hold kibble and treats together. Povidone is not used in its raw chemical form but as a purified, food-grade compound to ensure safety and efficacy.
Why it's used?
Povidone is included as a binder and stabiliser to improve the texture and consistency of pet food products. It also helps maintain ingredient dispersion and product uniformity during processing and storage.
Fine, light beige soy protein powder with a slightly grainy texture, commonly used in Australian dog food recipes
Soy Protein
Soy Protein
Soy Protein, Soybean Protein, Glycine Max Protein, E416
Summary
Soy protein is a plant-derived ingredient extracted from soybeans, commonly used in pet foods for its high protein content and amino acid profile. Its primary purpose is to provide a digestible, meat-free protein source that supports muscle maintenance and overall health. Soy protein is not used in its whole bean form but is processed and isolated to optimise digestibility and nutritional value.
Why it's used?
Soy protein is included as a cost-effective, highly digestible plant-based protein source to help meet protein requirements while managing formulation costs. It also provides functional benefits in texture and binding, supporting product consistency.
Light yellow, clear drop of MCT oil with a smooth, glossy texture on a white background
MCT Oil
MCT Oil
Medium Chain Triglycerides, Miglyol 812, Caprylic/Capric Triglyceride, E472c
Summary
MCT oil is a plant-derived ingredient extracted primarily from coconut or palm kernel oil, consisting of medium-chain triglycerides. It is included in pet food for its easily digestible energy source, supporting metabolism and cognitive function. MCT oil is utilised in its refined liquid form, not as a whole food, to optimise absorption and ensure safety for pets.
Why it's used?
MCT oil is included as a functional fat source to provide easily digestible energy and support metabolic health in pets. It may also be used to enhance palatability and differentiate the product in the premium segment for marketing purposes.

About

Brand
NexGard Spectra
Company
Boehringer Ingelheim
Manufactured
Brazil
Type
Chew
Life Stage
All Life Stages
Breed Size
Medium, Large
Processing Level
High

PRODUCT TAGS

Chewable Treatment
Flea
Tick
Mites
Heartworm
Roundworm
Hookworm
Whipworm
1 Month Protection
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Large Flea, Tick, Mites and Worming Chew (15-30kg)
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4.8
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