Choosing an effective weight gainer for puppies can help support healthy growth, appetite, and energy. The following selections are popular veterinarian-recommended options designed to provide extra calories, vitamins, and minerals. Use as directed by your vet to support underweight puppies, picky eaters, or puppies recovering from illness or procedures.
| Product | Brand | Key Benefit |
|---|---|---|
| Tomlyn High Calorie Nutritional Gel for Puppies | TOMLYN | High-calorie gel with vitamins for appetite stimulation |
| Miracle Vet High-Calorie Weight Gainer | Miracle Vet | 29 vitamins & minerals; omega-3 fatty acids for coat and energy |
| Under the Weather Ready Cal for Puppies | Under the Weather | High-calorie gel with appetite stimulation and omega fats |
| Bully Max Weight Gainer Soft Chews | Bully Max | High-calorie chews with probiotics for digestion and immunity |
| 11-in-1 Muscle Gain Chews | OKKÖBI | High-protein, essential amino acids for lean mass and energy |
Tomlyn High Calorie Nutritional Gel for Puppies

Tomlyn Nutri-Cal is a nutritional oral gel designed for puppies needing extra calories and vitamins. It acts as an appetite stimulant and calorie booster, making it suitable for fussy eaters and pets refusing food. Veterinarian recommended, the gel provides a concentrated source of vitamins and minerals to support growth and overall health in growing puppies.
Miracle Vet High-Calorie Weight Gainer

Miracle Vet Weight Gainer is a high-calorie, multivitamin supplement gel formulated for dogs and cats. It includes omega-3 fish oil and calcium, providing 29 vitamins and minerals to support overall health. The product is designed to help with weight gain, energy, and coat condition, making it versatile for puppies, seniors, or those needing extra nutrition. It also serves as a dog food topper for picky eaters.
Under the Weather Ready Cal for Puppies

Ready Cal for Puppies provides a high-calorie nutritional boost with essential vitamins, minerals, and omega fatty acids. It aims to support weight gain when puppies aren’t eating properly or are recovering from illness or procedures. The formula emphasizes energy and appetite stimulation to help pups regain strength and vitality.
Bully Max Weight Gainer Soft Chews

Bully Max Weight Gainer Soft Chews offer a practical, high-calorie option with probiotics for digestive and immune support. Suitable for puppies and adult dogs, these chews can be used as treats or toppers. The formulation targets lean mass gain and energy, supporting growth and overall health across life stages.
11-in-1 Muscle Gain Chews

11-in-1 Muscle Gain Chews provide a protein-rich option with essential amino acids to support muscle growth and recovery. The formula combines natural and organic ingredients with turmeric, ashwagandha, and salmon oil to promote energy and vitality. This product targets lean mass gains and is suitable for puppies, as well as active or recovering dogs seeking healthier weight gains.
Buying Guide: Key Purchase Considerations
- Purpose and weight goals: Match the product to whether the puppy needs appetite stimulation, extra calories, or lean muscle gain. Consider if you want a topper, gel, or chew.
- Ingredients and nutrition: Look for high-quality proteins, omega-3 fatty acids, vitamins, and minerals. Probiotics can support digestion, while amino acids aid muscle growth.
- Age and breed suitability: Some formulas are designed for puppies, seniors, or specific breeds. Verify suitability for growing puppies and any breed-specific needs.
- Palatability and texture: Gels, chews, and toppers vary in taste and mouthfeel. Choose a format your puppy accepts willingly to avoid refusal.
- Vet guidance: Consult a veterinarian if the puppy has medical conditions, allergies, or if there’s a history of weight issues. Follow dosing instructions carefully.
- Safety and shelf life: Check instructions for storage, expiration dates, and any age or weight limits for use.
- Administration method: Some products mix easily with food, while others are oral gels or treats. Consider daily routines and ease of use.
- Long-term use considerations: Assess whether ongoing supplementation is appropriate or if weight gain should be achieved through dietary adjustments and active play.