Best Protein Snacks for Weight Gain
Gaining weight healthily requires calorie surplus with adequate protein. These calorie-dense snacks deliver 20g+ protein and 300+ calories to support clean weight gain and muscle building.
Quick Answer
The best protein snacks for weight gain contain 20g+ protein and 300+ calories from whole food sources. The highest-ranked options combine protein with healthy fats and complex carbs for clean, muscle-building calories.
Top 5 Comparison
| Product | Protein | Calories | Sugar | Price | Rating |
|---|---|---|---|---|---|
| #1 Grenade Carb Killa White Chocolate Salted Peanut Grenade | 20g | 242 | 2g | $2.30 | ★0.0 |
| #2 think! High Protein Bar, Chunky Peanut Butter think! | 20g | 240 | 0g | $2.40 | ★0.0 |
| #3 think! High Protein Bar, Brownie Crunch think! | 20g | 230 | 0g | $2.40 | ★0.0 |
| #4 think! High Protein Bar, Girl Scout Coconut Caramel think! | 20g | 230 | 2g | $2.40 | ★0.0 |
| #5 think! High Protein Bar, Cookies & Crème think! | 20g | 230 | 0g | $2.40 | ★0.0 |
Grenade Carb Killa White Chocolate Salted Peanut
This triple-layered high-protein treat is loaded with delicious salted peanuts, soft nougat and smooth caramel, all wrap...
think! High Protein Bar, Chunky Peanut Butter
Every Chunky Peanut Butter think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongsi...
think! High Protein Bar, Brownie Crunch
Every Brownie Crunch think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongside 20g...
think! High Protein Bar, Girl Scout Coconut Caramel
Every Girl Scouts Coconut Caramel think! High Protein Bar delivers deeply satisfying taste and texture with minimal suga...
think! High Protein Bar, Cookies & Crème
Every Cookies & Crème think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongside 20...
think! High Protein Bar, White Chocolate
Every White Chocolate think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongside 20...
think! High Protein Bar, Chocolate Fudge
Every Chocolate Fudge think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongside 20...
think! High Protein Bar, Lemon Delight
Every Lemon Delight think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongside 20g ...
think! High Protein Bar, Creamy Peanut Butter
Every Creamy Peanut Butter think! High Protein Bar delivers deeply satisfying taste and texture with 0g of sugar alongsi...
Grenade Carb Killa Chocolate Chip Salted Caramel
This best-selling Salted Caramel Protein Bar is filled with homey flavour of sweet nougat, chocolate chips and salted ca...
ONE Cinnamon Roll
ONE Cinnamon Roll captures warm cinnamon swirl flavor with sweet icing notes delivering 20g of protein for breakfast bak...
ONE Peanut Butter Cup
ONE Peanut Butter Cup combines creamy peanut butter with chocolate coating for a candy-like experience delivering 20g of...
Buying Guide
What to Look For
- Protein Content: Aim for at least 20g per bar
- Calorie Count: Balance with your daily targets
- Sugar Content: Look for bars with less than 8g added sugar
- Ingredient Quality: Real food ingredients, not artificial additives
How We Rank These Products
These products are ranked automatically from objective nutrition data — protein content, calorie efficiency, macronutrient ratios, and dietary fit for best protein snacks for weight gain — compiled from manufacturer labels and retailer listings. Rankings are not influenced by affiliate links or paid placement. Any star ratings shown come from third-party retailer listings, not reviews collected by this site. See our full methodology →
Frequently Asked Questions
What protein snacks help you gain weight?
Best for weight gain: protein bars with nuts (300-400 cal), trail mix with protein powder (400+ cal), nut butter packets (190 cal, 7g protein), protein smoothies with banana (400+ cal), and protein balls with dates/nuts.
How many protein snacks should I eat to gain weight?
Eat 2-3 high-calorie protein snacks daily (300-500 calories each) between meals. This adds 600-1,500 extra calories daily for weight gain. Combine with 3 regular meals totaling 2,500-3,500 calories for 0.5-1 lb gain per week.
Is protein or calories more important for weight gain?
Both matter. Calories create surplus for weight gain (need 300-500 extra daily). Protein (1g per lb body weight) ensures weight gained is muscle, not just fat. Combine: calorie-dense protein snacks 2-3x daily.