Best Which Protein Powder Is Best for Weight Gain for Female (2026)
The Optimum Nutrition Serious Mass Weight Gainer takes the top spot as the best protein powder for weight gain for females due to its high calorie and protein content, making it an ideal choice for those looking to bulk up. How we picked: Our selection criteria include the protein powder's calorie and protein content, ingredients, and user reviews from multiple sources, including the National Center for Biotechnology Information and Healthline.| Pick | Best for | Where to buy | |
|---|---|---|---|
| Editor's pick Optimum Nutrition Serious Mass Weight Gainer | females who are looking to gain weight quickly and are not concerned about adding a signif | Check price | |
 | NOW Sports Pea ProteinPer 100g: 364 kcal · 72.7273g protein · 0g sugar | females who are looking for a low-calorie protein powder that is still effective for weigh | Check price |
 | MusclePharm Combat PowderPer 100g: 130 kcal · 25g protein · 2g sugar | females who are looking for a protein powder that provides a sustained release of amino ac | Check price |
Product images & nutrition data via Open Food Facts (ODbL / CC BY-SA).
1. Optimum Nutrition Serious Mass Weight Gainer
This protein powder is a weight gainer supplement that provides 1,250 calories and 50 grams of protein per serving, making it an excellent choice for females looking to gain weight. It also contains 252 grams of carbohydrates and 4.5 grams of fat, providing a balanced mix of macros for weight gain.
Best for: females who are looking to gain weight quickly and are not concerned about adding a significant amount of calories to their diet.
- Pro: High calorie and protein content for weight gain.
- Pro: Contains a blend of carbohydrates and fat for a balanced mix of macros.
- Con: May be too high in calories for some females, potentially leading to an excessive weight gain.
2. NOW Sports Pea Protein
This protein powder is made from pea protein, a highly digestible and hypoallergenic protein source that is rich in essential amino acids. It provides 20 grams of protein and 100 calories per serving, making it a great choice for females looking to gain weight without adding too many calories.
Best for: females who are looking for a low-calorie protein powder that is still effective for weight gain.
- Pro: Highly digestible and hypoallergenic protein source.
- Pro: Rich in essential amino acids for muscle growth and repair.
- Con: Lower calorie content compared to other weight gainers, potentially requiring more frequent consumption.
3. MusclePharm Combat Powder
This protein powder is a blend of whey protein, casein protein, and egg protein, providing a sustained release of amino acids for muscle growth and repair. It offers 25 grams of protein and 130 calories per serving, making it a great choice for females looking to gain weight without adding too many calories.
Best for: females who are looking for a protein powder that provides a sustained release of amino acids for muscle growth and repair.
- Pro: Blend of protein sources for a sustained release of amino acids.
- Pro: Low calorie content compared to other weight gainers.
- Con: May not be as effective for weight gain as other protein powders with higher calorie content.
