10 Best best protein supplement for weight gain - March 2026

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Last Updated: 03-05-2026

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NAKED Mass - Natural Weight Gainer Protein Powder - 8 LB Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories per Serving

NAKED

9.8

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All American Canine Dog Weight Gainer – High Calorie Dog Food Supplement & Protein Powder for Rapid Weight Gain, Mass, and Recovery – Appetite Stimulant – 60 Servings

All American Canine

9.6

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Best value

Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)

Dymatize

9.5

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Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Vanilla - 20.3 oz

Naturade

9.2

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Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Chocolate - 20.3 oz

Naturade

9.1

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11-in-1 Muscle Gain Chews - Weight Gain Supplements for Dogs with High Protein & Amino Acids - Premium Muscle Builder for Bully & All Breeds - Healthy for Puppies - 150 Chews - Chicken

OKKÖBI

8.8

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Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)

Optimum Nutrition

8.6

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Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)

Optimum Nutrition

8.4

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Booty Gainer Pro Series - Weight Gainer for Women to Grow Thicker Booty & Larger Buttox | Helps Naturally Curve & Shape Body | Grow Rounder, Wider & Thicker Glutes for BBL Growth - 60 Capsules

EPN Supplements

8.2

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Muscle Gain Chews Dog Weight Gainer Supplements with High Protein & Canine Amino Acids Puppy Vitamins Canine Muscle Builder Formula for Bully & All Breeds Puppies & Adult & Senior Dogs-100 Count

YWUJID

8.1

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