Our ReviewRival NutritionPromasil Protein
Rival Promasil Protein stands out as a versatile option, blending eight different protein sources, including whey isolate, micellar casein, and egg white protein. With 24 grams of protein per 32.5g scoop and a lean profile of 1.5g of fat and just 3g of carbs, it’s tailored for those who value a balanced, multifaceted protein supplement. Its mix of fast and slow-digesting proteins makes it suitable for a range of goals, from muscle recovery to supporting sustained protein synthesis throughout the day. Rival’s focus on providing a blend of high-quality protein types positions this product as a convenient choice for fitness enthusiasts seeking flexibility in their nutrition.
Ingredients
Rival Promasil Protein features a robust blend of eight distinct protein sources, each contributing to its unique profile. The inclusion of whey protein isolate and whey protein concentrate provides a quick-digesting, high-quality protein base, ideal for immediate muscle recovery post-workout. Native micellar casein and native whey protein isolate bring in the slower-digesting proteins, offering prolonged amino acid delivery, which is particularly beneficial for maintaining muscle protein synthesis over extended periods. The addition of egg white protein further enhances the amino acid spectrum, making it a more complete protein blend suitable for diverse dietary needs. Whey protein hydrolysate, known for its rapid absorption, complements this by catering to those who prioritize quick recovery.
Micellar casein and goat milk protein round out the mix, adding unique textures and nutritional benefits. Goat milk protein is often appreciated for its digestibility, especially for individuals with sensitivities to cow’s milk proteins. However, the formula includes artificial ingredients like sucralose and artificial flavors, which may be a drawback for those seeking a more natural product. While the product does not feature added digestive enzymes or probiotics, its inclusion could improve its digestibility and appeal to consumers with sensitive stomachs.
The overall ingredient list balances variety and functionality, but there is room for enhancement, particularly in avoiding artificial additives and adding beneficial components like enzymes.
Effectiveness
Rival Promasil Protein is designed as a versatile protein supplement, leveraging its unique blend of eight protein sources to cater to various fitness and recovery needs. The combination of fast-digesting proteins, like whey protein isolate and hydrolysate, ensures an immediate supply of amino acids post-workout, ideal for muscle repair and recovery. Simultaneously, the inclusion of slower-digesting proteins, such as native micellar casein, helps sustain amino acid release, making it effective for longer periods of muscle protein synthesis. This dual approach makes it suitable for both immediate post-workout recovery and as a meal replacement or nighttime protein source.
The protein content is impressive, with 24 grams per serving making up nearly 74% of the product by weight. This high protein density underscores its efficiency in delivering quality nutrients without unnecessary fillers. The blend provides a complete amino acid profile, bolstered by egg white protein and goat milk protein, which are highly bioavailable and complement the whey and casein sources. These proteins collectively support a range of goals, from building lean muscle to preserving muscle mass during calorie deficits.
With only 3g of carbohydrates and 1.5g of fat per serving, the formula maintains a lean profile, appealing to those following low-carb or low-fat diets. However, the absence of added digestive enzymes may slightly impact the product’s usability for individuals with sensitive digestion, given the diversity of protein sources.
Taste
The Rich Chocolate flavor of Rival Promasil Protein delivers a balanced and satisfying taste, capturing the essence of classic chocolate without being overly sweet. The cocoa flavor, enhanced by its alkalized processing, provides a deep and rich profile that holds up well against other chocolate-flavored protein powders. The inclusion of both natural and artificial flavors creates a smooth and consistent taste that avoids the bitterness or artificial aftertaste found in some similar products.
When mixed with water, the flavor remains robust, offering a lighter, cleaner chocolate experience that is refreshing post-workout. Mixed with milk, the richness intensifies, creating a creamier texture that resembles a traditional chocolate milkshake. The versatility of the flavor profile makes it adaptable to different preferences, whether one prefers a lighter or more indulgent drink.
The texture strikes a good balance between creamy and smooth, with minimal grit, even when mixed with just water. The multi-protein blend ensures a consistent texture, free of clumping, especially when shaken in a standard blender bottle. Mixability is a standout, with the powder dissolving quickly and easily in both water and milk, leaving no chalky residue or floating clumps.
Value
Rival Promasil Protein positions itself in the mid-range category, offering a unique blend of eight protein sources that cater to diverse fitness and nutritional needs. The inclusion of high-quality protein types like whey isolate, micellar casein, and egg white protein underscores its commitment to providing a versatile and effective product. This combination is often associated with premium formulations, as the variety of proteins enhances the product’s functionality for both immediate recovery and sustained muscle support.
Compared to other products in the sustained release class, Promasil offers a competitive protein density at 24 grams per serving, which accounts for a significant portion of its 32.5g scoop. Its low fat (1.5g) and carbohydrate (3g) content add to its appeal for those following specific dietary plans, such as low-carb or calorie-conscious regimens. While it delivers on performance and nutritional value, the presence of artificial ingredients, such as sucralose and artificial flavors, maybe a drawback for some.
From a pricing perspective, it represents great value as always with Rival products. While not the cheapest sustained protein product which would probably go to MuscleTech 8-hour, it's only slightly more expensive but with much better macros with very little fat or carbs. However, the absence of added features, like digestive enzymes or probiotics, leaves room for improvement in terms of added value. We still think if you're not lactose intolerant, this product likely offers the best value in terms of sustained-release protein powders.
Conclusion
Rival Promasil Protein delivers a well-rounded offering with its blend of eight protein sources, catering to various needs like muscle recovery and sustained protein release. With a strong nutritional profile, including 24g of protein per serving and low fat and carbs, it aligns well with fitness enthusiasts seeking a versatile option. Its rich chocolate flavor, smooth texture, and excellent mixability set it apart from competitors, particularly for those who value both taste and performance.
Compared to similar products, Promasil competes effectively with its unique multi-protein formula but falls slightly behind premium options that include added features like digestive enzymes or completely natural ingredient lists. Its mid-range pricing and balanced profile make it an attractive choice for those prioritizing high protein density without excessive fillers.
This product is particularly suitable for individuals looking for a combination of fast and slow-digesting proteins, whether for post-workout recovery or meal supplementation. While it’s not the most natural option available, its quality and performance make it a recommendable choice for most fitness goals.
Where to buy?
The protein matrix includes the primary protein components included in this product. These protein sources are listed in order of volume from greatest to least in the product.
This diagram provides the digestion profile for the protein types contained within this product. The chart plots the digestion of the included protein types over an hourly timeframe. All profiles have their advantages depending on your goals. More information regarding digestion and timing can be found in our guides.
The cost indicators provide a relative cost comparison with all protein products. The lower the score the better!
The "Product Cost Indicator" provides the comparative product cost, as a whole.
The "Protein Cost Indicator" provides a comparative cost based on only the protein component. While this can be useful for comparing products excluding fillers, many additional ingredients can provide additional benefits and value.
Note: Products that serve a dual purpose, such as mass gainers and ketogenic powders don't include the "Protein Cost Indicator".
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