We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestDog Weight Gainersof December 2025

112M consumers helped this year.

Sponsored

Joint & Gut Health Supplements for Dogs – 120 Chews Joint supplement with Glucosamine, MSM, Chondroitin & 120 Dog Probiotic Chews with Omega-3, Prebiotics & Colostrum – Supports Mobility, Digestion &

Joint & Gut Health Supplements for Dogs – 120 Chews Joint supplement with Glucosamine, MSM, Chondroitin & 120 Dog Probiotic Chews with Omega-3, Prebiotics & Colostrum – Supports Mobility, Digestion &

Joint & Gut Health Supplements for Dogs – 120 Chews Joint supplement with Glucosamine, MSM, Chondroitin & 120 Dog Probiotic Chews with Omega-3, Prebiotics & Colostrum – Supports Mobility, Digestion &

JOINTSURE

32% off

1

Protexin Veterinary Pro-Fibre for Dogs and Cats,Green brown, 500 g (Pack of 1)

Protexin Veterinary Pro-Fibre for Dogs and Cats,Green brown, 500 g (Pack of 1)

Protexin Veterinary Pro-Fibre for Dogs and Cats,Green brown, 500 g (Pack of 1)

Protexin

9.8

Buy it on Amazon

19% off

2

Skinner’s Field & Trial Maintenance – Complete Dry Adult Dog Food, For Overweight or Less Active Dogs, 15kg

Skinner’s Field & Trial Maintenance – Complete Dry Adult Dog Food, For Overweight or Less Active Dogs, 15kg

Skinner’s Field & Trial Maintenance – Complete Dry Adult Dog Food, For Overweight or Less Active Dogs, 15kg

Skinners

9.6

Buy it on Amazon

13% off

3

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Chocolate Flavour, 8 Servings, 2.73kg, Packaging May Vary

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Chocolate Flavour, 8 Servings, 2.73kg, Packaging May Vary

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Chocolate Flavour, 8 Servings, 2.73kg, Packaging May Vary

Optimum Nutrition

9.4

Buy it on Amazon

4

The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Vanilla, 5kg)

The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Vanilla, 5kg)

The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Vanilla, 5kg)

The Bulk Protein Company

9.1

Buy it on Amazon

5

Buddy & Lola Dog Weight Gainer Supplement - Protein For Dogs, Helps Build Muscle, Aids Recovery, Great for Fussy Eaters, A Must Have For Rescue Dogs Who Need to Gain Weight and Build Muscle

Buddy & Lola Dog Weight Gainer Supplement - Protein For Dogs, Helps Build Muscle, Aids Recovery, Great for Fussy Eaters, A Must Have For Rescue Dogs Who Need to Gain Weight and Build Muscle

Buddy & Lola Dog Weight Gainer Supplement - Protein For Dogs, Helps Build Muscle, Aids Recovery, Great for Fussy Eaters, A Must Have For Rescue Dogs Who Need to Gain Weight and Build Muscle

Buddy & Lola

8.8

Buy it on Amazon

OtherRelated products

Joint & Gut Health Supplements for Dogs – 120 Chews Joint supplement with Glucosamine, MSM, Chondroitin & 120 Dog Probiotic Chews with Omega-3, Prebiotics & Colostrum – Supports Mobility, Digestion &

Joint & Gut Health Supplements for Dogs – 120 Chews Joint supplement with Glucosamine, MSM, Chondroitin & 120 Dog Probiotic Chews with Omega-3, Prebiotics & Colostrum – Supports Mobility, Digestion &

Vetwell Probiotics for Dogs - 120 Chews, Digestive Care with Dog Probiotics Enterococcus Faecium, Colostrum from Bovine, Prebiotic Chicory Inulin, Liver Flavour Dog Probiotic Supplements

Vetwell Probiotics for Dogs - 120 Chews, Digestive Care with Dog Probiotics Enterococcus Faecium, Colostrum from Bovine, Prebiotic Chicory Inulin, Liver Flavour Dog Probiotic Supplements

Puptons 100% Pure Green Lipped Mussel Powder for Dogs 100g (166 servings) | Puptons

Puptons 100% Pure Green Lipped Mussel Powder for Dogs 100g (166 servings) | Puptons

ProDog Muscle+ Dog Weight Gainer | 76% Protein Per Scoop - 60 Servings | Must Have For Dogs Struggling To Gain Weight | Aids Injury Recovery | Perfect for Fussy Eaters, Underweight, Malnourished Dogs

ProDog Muscle+ Dog Weight Gainer | 76% Protein Per Scoop - 60 Servings | Must Have For Dogs Struggling To Gain Weight | Aids Injury Recovery | Perfect for Fussy Eaters, Underweight, Malnourished Dogs

6

ROYAL CANIN Mini Light Weight Care - 3kg

ROYAL CANIN Mini Light Weight Care - 3kg

ROYAL CANIN Mini Light Weight Care - 3kg

ROYAL CANIN

8.5

Buy it on Amazon

17% off

7

Burns Pet Nutrition Hypoallergenic Complete Dry Dog Food Adult and Senior Dog Weight Control Chicken and Oats 2 kg(Packaging may vary)

Burns Pet Nutrition Hypoallergenic Complete Dry Dog Food Adult and Senior Dog Weight Control Chicken and Oats 2 kg(Packaging may vary)

Burns Pet Nutrition Hypoallergenic Complete Dry Dog Food Adult and Senior Dog Weight Control Chicken and Oats 2 kg(Packaging may vary)

Burns

8.2

Buy it on Amazon

19% off

8

Pooch & Mutt - Bionic Biotic, Supplement for Dog Digestion (Healthy Skin and Glossy Coat), 200g

Pooch & Mutt - Bionic Biotic, Supplement for Dog Digestion (Healthy Skin and Glossy Coat), 200g

Pooch & Mutt - Bionic Biotic, Supplement for Dog Digestion (Healthy Skin and Glossy Coat), 200g

Pooch & Mutt

8.0

Buy it on Amazon

23% off

9

Peamutt Dog Peanut Butter | Treat Formulated for Dogs No Added Sugar and Salt Sweeteners Friendly Texture Perfect

Peamutt Dog Peanut Butter | Treat Formulated for Dogs No Added Sugar and Salt Sweeteners Friendly Texture Perfect

Peamutt Dog Peanut Butter | Treat Formulated for Dogs No Added Sugar and Salt Sweeteners Friendly Texture Perfect

Duerr's

7.7

Buy it on Amazon

10

PetAg Dyne High Calorie/Weight Gainer Liquid for Dogs, 16 oz

PetAg Dyne High Calorie/Weight Gainer Liquid for Dogs, 16 oz

PetAg Dyne High Calorie/Weight Gainer Liquid for Dogs, 16 oz

PetAg

7.4

Buy it on Amazon