# What is Mass Gainer?

> A mass gainer is a high-calorie powder that combines protein with large amounts of carbohydrate and often fat, designed to help people who struggle to e...

- **URL**: https://www.best-proteinpowder.com/glossary/mass-gainer/
- **Publisher**: [Best Protein Powder](https://www.best-proteinpowder.com/)

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A mass gainer is a high-calorie powder that combines protein with large amounts of carbohydrate and often fat, designed to help people who struggle to eat enough to gain weight.