Boxers are energetic, athletic dogs that sometimes struggle to maintain or gain healthy weight, especially if they’re highly active, recovering from illness, or naturally lean. Underweight Boxers may face challenges with energy, muscle development, and overall wellbeing, making it important to find the right nutritional support.
This guide reviews the best dog food and supplements designed to help your Boxer gain weight safely. We cover a range of high-calorie foods, chews, powders, and liquids—explaining their benefits, ideal users, and what sets each apart. Whether your Boxer is a picky eater or needs targeted muscle support, you’ll find practical solutions here.
Top 10 Best Dog Food To Gain Weight For Your Boxer
We analyzed the top brands and best-selling products in the Best Dog Food To Gain Weight For Your Boxer category to bring you a carefully curated list of recommendations.
1. Bully Max Dog Weight Gainer Soft Chews
Dogs with higher calorie needs, such as active breeds or those recovering from weight loss, often require a supplement that delivers both energy and digestive support. Many chews focus on taste but lack comprehensive nutrition.
Bully Max Dog Weight Gainer Soft Chews provide 1,500 calories per bag and include probiotics for digestive and immune health. These chews are a solid choice for owners seeking a high-calorie, easy-to-feed supplement that also supports gut health.
- High calorie content: Delivers significant energy per serving
- Probiotics included: Supports digestion and immune function
- Versatile use: Can be given as a treat or food topper
Compared to powders or gels, these chews are more convenient for daily use and travel. The tradeoff is that chews may not be suitable for dogs with dental issues or those who dislike bacon flavor.
- Very high calorie per bag
- Contains probiotics for gut health
- Easy to use as treat or topper
- No artificial flavors or by-products
- Vet-approved and made in the USA
- Bacon flavor may not suit all dogs
- Chews not ideal for dental problems
2. OKKÖBI Muscle Gain Chews for Dogs
Dogs needing extra calories and muscle support often struggle with bland or single-purpose supplements. For active, underweight, or recovering dogs, a comprehensive chew can make a real difference in both weight and vitality.
OKKÖBI Muscle Gain Chews stand out for their 11-in-1 formula, combining premium proteins, essential amino acids, and nutrient-rich ingredients. These chews are ideal for owners seeking a versatile, easy-to-administer supplement that supports muscle growth and overall health in dogs of any age or breed.
- 11-in-1 formula: Combines amino acids, vitamins, and natural ingredients for broad nutritional support
- Calorie-dense chews: Provide extra energy for weight gain and lean muscle development
- Vet-approved and all-breed friendly: Suitable for puppies, adults, and seniors
Compared to basic calorie boosters, these chews offer a more complete nutritional profile, supporting not just weight gain but also muscle repair and immune health. The main tradeoff is that chews may not suit dogs with very sensitive teeth or those who prefer food toppers.
- Comprehensive amino acid blend
- Supports muscle growth and recovery
- Easy to feed as a treat
- Suitable for all dog ages
- Includes natural and organic ingredients
- Not ideal for dogs with chewing issues
- May require consistent use for best results
3. Miracle Vet High-Calorie Weight Gainer Gel
Some dogs are picky eaters or need extra nutritional support due to age, recovery, or medical conditions. Standard dog foods often fall short in delivering concentrated calories and essential vitamins for these situations.
Miracle Vet High-Calorie Weight Gainer Gel is designed for maximum palatability and multivitamin coverage, making it a strong choice for dogs who turn away from regular food or need broad-spectrum nutritional support. Its gel format is easy to mix, top, or administer directly, appealing to even the fussiest eaters.
- 29 vitamins and minerals: Comprehensive multivitamin support for overall health
- Omega-3 fish oil base: Promotes skin, coat, and heart health
- Appetite stimulant: Encourages eating in dogs with poor appetite
Unlike powders or chews, this gel is especially effective for dogs that refuse dry supplements or need extra encouragement to eat. The tradeoff is that gels can be messier to handle and may require careful portioning.
- Highly palatable gel format
- Broad multivitamin coverage
- Omega-3 rich for skin and coat
- Easy to mix or top food
- Vet-reviewed formula
- Gel can be messy
- Not as portable as chews
4. All American Canine Weight Gainer Powder
Underweight dogs often need a calorie and protein boost that’s easy to add to their daily meals. Many pet owners prefer natural ingredients and a powder format for flexibility and simplicity.
All American Canine Weight Gainer Powder delivers a blend of beef broth protein, whey, and nutrient-dense superfoods. This powder is a practical option for those who want an all-natural supplement that supports joint, muscle, and immune health while promoting healthy weight gain.
- All-natural ingredients: Free from artificial additives and fillers
- High protein and fat content: Supports muscle growth and energy
- Easy to mix: Simple to add to any meal for fuss-free feeding
Compared to chews or gels, this powder offers more ingredient transparency and is ideal for dogs with dietary sensitivities. The main tradeoff is that powders require mixing and may not appeal to dogs who dislike changes in food texture.
- All-natural ingredient list
- Supports joint and immune health
- Flexible powder format
- No artificial colors or trans fats
- Made in the USA
- Requires mixing with food
- May not suit dogs sensitive to powders
5. All American Canine Weight Gainer Liquid
Dogs needing concentrated calories and healthy fats often benefit from oil-based supplements. These are especially useful for boosting energy, improving coat condition, and supporting joint health.
All American Canine Weight Gainer Liquid uses a blend of salmon, coconut, avocado, flaxseed, and olive oils to deliver calorie-dense nutrition. It’s best suited for dogs who need extra calories in a highly palatable, easy-to-mix liquid form, and for owners who value all-natural, filler-free ingredients.
- Pure oil blend: Provides essential omega fatty acids for coat and joint health
- High calorie per serving: Supports rapid weight gain and recovery
- No artificial additives: Free from fillers and harmful chemicals
Compared to powders and chews, this liquid is easier to mix into wet or dry food and is ideal for dogs needing extra fat. The tradeoff is that oil-based supplements can be messy and may not be suitable for dogs with fat-sensitive digestion.
- Rich in healthy oils
- Supports shiny coat and joints
- Easy to blend with meals
- All-natural formulation
- Made in the USA
- Can be messy to handle
- Not ideal for fat-sensitive dogs
6. OKKÖBI 11-in-1 Muscle Gain Chews
Dogs with ongoing wellness needs or those who benefit from daily nutritional support require a supplement that covers multiple bases. Chews with a broad ingredient profile can help maintain strength, energy, and overall health.
OKKÖBI 11-in-1 Muscle Gain Chews are formulated to support muscle growth, energy, and vitality with a blend of protein, amino acids, and natural extracts. They're suitable for daily use across all breeds and ages.
- 11-in-1 blend: Supports muscle, energy, and immune health
- Calorie-dense: Helps with healthy weight gain and maintenance
- Vet-approved: Designed for puppies, adults, and seniors
Compared to single-focus supplements, these chews offer daily, well-rounded support. The tradeoff is that they may not address highly specific health concerns.
- Broad daily support
- Muscle and energy boost
- Suitable for all ages
- Vet-formulated
- Not specialized for single issues
- Chew format may not suit all dogs
7. All American Canine Weight Gainer Chews
Chewable supplements are a practical way to encourage weight gain in Huskies who enjoy treats but need more calories and nutrients than standard snacks provide. These chews are designed to support muscle, joints, and overall vitality.
All American Canine Weight Gainer Chews offer a blend of protein, vitamins, and probiotics in a format that's easy to serve and appealing to most dogs. They're best for owners looking for a straightforward, chewable supplement with clean ingredients.
- High-calorie formula: Helps dogs gain weight and energy quickly
- All-natural, no fillers: Free from artificial colors and trans fats
- Supports joint and muscle health: Includes vitamins and probiotics
Compared to powders or liquids, these chews are more convenient and less messy. They focus on calorie delivery and simplicity, though they may not provide as broad a nutrient profile as some multivitamin options.
- Simple chew format
- Natural ingredients
- Supports digestion
- No artificial colors
- Made in the USA
- Limited multivitamin content
- Not suitable for dogs avoiding chews
8. All American Canine Weight Gainer + Digestive Aid
Boxers with sensitive digestion or those recovering from illness may need a supplement that supports both weight gain and gut health. Powders that blend protein with probiotics and digestive aids can be especially helpful.
All American Canine Weight Gainer + Digestive Aid combines high protein and fat content with pumpkin, beef liver, and a proprietary probiotic blend. It’s best for Boxers who need extra calories but also benefit from digestive support. This powder is ideal for dogs with sensitive stomachs or those transitioning to new diets.
- 70% protein, 23% fat: High levels for muscle and energy
- Probiotic and pumpkin blend: Promotes healthy digestion and nutrient absorption
- All-natural, beef broth flavor: Encourages eating, even in picky dogs
Compared to other powders, this formula emphasizes digestive health alongside weight gain. The tradeoff is that it may require careful introduction for dogs new to high-protein diets.
- High protein and fat
- Supports gut health
- Natural ingredients
- Easy to mix with food
- Appealing flavor for picky eaters
- May require gradual introduction
- Powder format may be messy
9. Bully Max High Protein Dry Dog Food
Active Pitbull mixes or dogs needing to gain healthy weight often require more calories than standard dog foods provide. Feeding large quantities of regular kibble can be inefficient and costly.
Bully Max High Protein Dry Dog Food offers one of the highest calorie counts per cup, making it ideal for dogs with high energy demands or those needing to put on weight. It’s also suitable for owners looking to feed less volume without sacrificing nutrition.
- 30% protein, 20% fat: Supports muscle growth and energy
- 535 calories per cup: Efficient for weight gain or active lifestyles
- Free from common allergens: No corn, wheat, soy, or by-products
Compared to everyday formulas, this food prioritizes caloric density and performance. The tradeoff is that it may be too rich for sedentary or overweight dogs.
- Extremely high calorie content
- Supports weight gain
- Meat-based protein sources
- Allergy-friendly formula
- Suitable for all breeds and ages
- Not ideal for low-activity dogs
- Premium price
9. Bully Max High Protein Dry Dog Food
Active Pitbull mixes or dogs needing to gain healthy weight often require more calories than standard dog foods provide. Feeding large quantities of regular kibble can be inefficient and costly.
Bully Max High Protein Dry Dog Food offers one of the highest calorie counts per cup, making it ideal for dogs with high energy demands or those needing to put on weight. It’s also suitable for owners looking to feed less volume without sacrificing nutrition.
- 30% protein, 20% fat: Supports muscle growth and energy
- 535 calories per cup: Efficient for weight gain or active lifestyles
- Free from common allergens: No corn, wheat, soy, or by-products
Compared to everyday formulas, this food prioritizes caloric density and performance. The tradeoff is that it may be too rich for sedentary or overweight dogs.
- Extremely high calorie content
- Supports weight gain
- Meat-based protein sources
- Allergy-friendly formula
- Suitable for all breeds and ages
- Not ideal for low-activity dogs
- Premium price
Buying Guide: How to Choose the Best Dog Food to Help Your Boxer Gain Weight
Selecting the right food or supplement to help your Boxer gain weight involves more than just picking the highest-calorie option. The category includes a range of products—dry foods, chews, powders, and liquids—each with unique benefits and tradeoffs. Buyers often misunderstand the difference between calorie density, protein quality, and the role of supplements versus complete meals.
- Dry food, chews, powders, and liquids: Each type offers different convenience, palatability, and dosing flexibility
- Calorie density matters: Higher calories per serving can help with weight gain, but may not suit all dogs
- Protein and fat content: Essential for muscle growth and sustained energy, especially in active Boxers
- Digestive and immune support: Probiotics and natural ingredients can aid absorption and overall health
- Supplement vs. meal replacement: Not all products are complete foods; some are designed to complement regular meals
- Palatability and administration: Chews and liquids may be easier for picky eaters or dogs with low appetite
- Ingredient quality and allergens: Look for options free from common allergens or artificial additives
- Tradeoff between convenience and customization: Powders and liquids allow more precise dosing, while chews and dry foods are easier to serve
Choosing Between Dry Food, Chews, Powders, and Liquids
The main decision is whether you want a complete meal, a supplement, or a flexible add-on. Dry foods like Bully Max High Protein offer all-in-one nutrition, while chews, powders, and liquids provide targeted support. Consider your dog's eating habits and your own routine when choosing a format.
- Dry food: Best for owners wanting a single, calorie-dense meal
- Chews: Convenient for treats or on-the-go supplementation
- Powders: Allow precise control over calorie and nutrient intake
- Liquids: Ideal for picky eaters or dogs with difficulty chewing
Matching Protein and Calorie Needs to Your Boxer
Active or underweight Boxers need both high calories and quality protein to support muscle growth. Look for products with clear protein and fat percentages, and consider supplements if your main food isn't meeting all needs.
- High protein, high fat: Supports muscle and energy
- Calorie-dense options: Reduce mealtime volume for picky eaters
- Supplements: Fill gaps in nutrition or provide extra support during recovery
Digestive Health and Ingredient Sensitivities
Some Boxers have sensitive stomachs or food allergies. Products with added probiotics, pumpkin, or all-natural ingredients can help maintain digestive health and minimize reactions.
- Probiotics and digestive aids: Support gut health and nutrient absorption
- Allergen-free formulas: Avoid corn, wheat, soy, and artificial additives
- Gradual introduction: Especially important for high-protein powders and new supplements
Administration and Daily Routine
Ease of use matters, especially if you need to supplement daily or have a picky eater. Chews and liquids are generally easier to administer, while powders offer more flexibility but may require mixing.
- Chews and liquids: Simple, portable, and often more palatable
- Powders: Customizable but may be messy or less appealing
- Dry food: Convenient for regular feeding but less flexible for dose adjustments
Final Buying Advice
Choosing the best dog food or supplement to help your Boxer gain weight comes down to matching your dog's specific needs with the right format and nutritional profile. Focus on calorie density, protein quality, and ingredient safety, and don't overlook the importance of digestive support.
- Match product type to your dog's eating habits and your routine
- Prioritize products with clear protein, fat, and calorie information
- Look for formulas free from common allergens and artificial additives
- Introduce new supplements gradually, especially for sensitive dogs
- Avoid over-supplementing; balance is key for healthy weight gain
FAQ For Dog Food To Gain Weight For Your Boxer
1. How do I know if my Boxer needs to gain weight?
2. Is it better to use a high-calorie dog food or a supplement?
3. Are weight gainer chews or powders safe for all ages?
4. How quickly will my Boxer gain weight with these products?
5. Can I use multiple supplements at once?
6. What should I do if my Boxer has a sensitive stomach?
James Vega
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