10 Best Mass Gainer For Teens 2026 in the United States

Naked Mass Natural Weight Gainer Protein Powder offers a straightforward approach to weight gain with only three main ingredients: Naked Whey, Naked Casein, and Organic Maltodextrin. This simplicity ensures it avoids artificial additives, making it a clean option for teens concerned about consuming GMO, gluten, or soy. With 1,250 calories per serving, it provides a substantial caloric boost, ideal for those struggling to gain weight. The protein content stands at an impressive 50 grams, promoting muscle growth and recovery, while the 252 grams of carbohydrates primarily come from organic tapioca maltodextrin, a gluten-free source, supporting energy levels and weight gain.

One of the product's strengths is its multi-phase protein approach, combining fast-digesting whey with slow-releasing casein to sustain protein synthesis over time, which can be beneficial for teens involved in sports or physical activities. The inclusion of BCAAs aids muscle recovery and growth, a crucial aspect for active teenagers. However, the unflavored nature of the powder might not appeal to everyone, although it offers versatility in creating personalized shakes and recipes. Additionally, while the product is labeled for clean nutrition, the high carbohydrate content might be worth considering for those watching their sugar intake, even though it contains only 5 grams of sugar per serving.

Mixability and digestibility can be crucial for daily use, and the product's design appears to cater well to these needs, though individual experiences may vary. Naked Mass is positioned as a top choice for teens needing an effective and clean weight-gaining supplement, provided they are comfortable with its unflavored profile and can integrate it into their dietary regimen effectively.

The Naked Chocolate Mass Gainer is designed to help teens increase their caloric and protein intake for muscle gain and weight management. It offers a substantial 1,360 calories per serving, making it ideal for those struggling to meet their daily caloric needs through regular food alone. With 50g of protein and 251g of carbohydrates, it ensures a balanced intake of macronutrients necessary for muscle growth and recovery. The inclusion of BCAAs supports muscle repair and reduces fatigue during workouts.

This mass gainer stands out for its clean ingredient profile, containing only five natural components: Naked Whey, Naked Casein, organic maltodextrin, organic coconut sugar, and organic raw cacao. It's free from artificial sweeteners, flavors, and colors, as well as GMOs, gluten, and soy, making it suitable for those with dietary restrictions or preferences for natural products. However, the high carbohydrate content, primarily from maltodextrin, may not be suitable for all teens, particularly those who need to monitor their sugar intake.

Additionally, some users might find the taste and mixability of the product less appealing compared to other flavored mass gainers on the market. Despite these minor drawbacks, the Naked Chocolate Mass Gainer is a solid choice for teens needing a significant caloric and protein boost, with the added peace of mind of clean, simple ingredients.

Optimum Nutrition Gold Standard Pro Gainer is designed to help with muscle growth and weight gain by providing a high calorie and protein content. Each serving packs 650 calories, which is great for teens who need extra energy to gain mass. It also contains 60 grams of protein, supporting muscle building effectively. Carbohydrates are high at over 80 grams per serving, helping to restore energy after workouts. The sugar content is kept below 8 grams, which is decent for a mass gainer since these products can often have a lot of added sugar.

This product is a powder that typically mixes well into liquids, and the vanilla custard flavor is generally mild and easy to drink for those who prefer sweeter tastes. Since it is marketed for adults, teens should check with a healthcare provider before use, especially if they have dietary restrictions. It offers solid nutrients for gaining weight, though it may be calorie-dense for some younger users or those new to gainers.

If you’re looking for a trusted brand with a focus on muscle mass and energy replenishment, this powder is a strong option. Monitor how your body responds to the volume and calorie content to ensure it meets your individual needs.