Our ReviewOptimum NutritionGold Standard Plant

Pea protein is known for its high digestibility and rich content of branched-chain amino acids (BCAAs), which are crucial for muscle repair and growth. It's also hypoallergenic, making it suitable for individuals with sensitivities to dairy or soy. Fava bean protein isolate complements pea protein by adding more essential amino acids, enhancing the overall protein quality. Brown rice protein concentrate, another excellent plant-based protein, is easily digestible and provides a good source of BCAAs, although it's often lower in lysine compared to other protein sources. Together, these proteins form a comprehensive and complete blend.

The product also includes cocoa powder processed with alkali, which not only adds flavor but also contributes antioxidants. The oil creamer blend (coconut oil and/or sunflower oil, rice syrup solids, pea protein, sodium citrate, tricalcium phosphate, and sunflower lecithin) enhances the texture and mixability of the protein powder, making it more palatable without adding unnecessary artificial ingredients.

Natural flavors are used to enhance the taste, and a gum blend (xanthan gum, guar gum, gum acacia) is included to improve texture and consistency. These gums are common in many protein powders and are generally considered safe, though in some individuals they can cause some digestive discomfort.

One notable aspect of this protein powder is the absence of artificial sweeteners, colors, or flavors. Instead, it uses steviol glycosides, a natural sweetener derived from stevia leaves, which is a great alternative for those looking to avoid artificial additives.

However, the sodium content is relatively high at 540mg per serving, which might be a concern for individuals on a sodium-restricted diet. It also doesn't contain added digestive enzymes or prebiotics, which could further enhance its nutritional profile and digestive ease.

The protein blend in this product—comprising pea protein, fava bean protein isolate, and brown rice protein concentrate—is well-suited for muscle building and recovery. Pea protein is particularly effective due to its high digestibility and rich content of branched-chain amino acids (BCAAs), which play a crucial role in muscle protein synthesis and recovery post-exercise. Fava bean protein isolate adds a complementary amino acid profile, enhancing the overall quality of the protein blend. Brown rice protein, while slightly lower in lysine, is easily digestible and contributes additional BCAAs, making the blend more balanced and effective.

In terms of macronutrients, the product contains 150 calories per serving, with 3.5 grams of total fat and 4 grams of net carbohydrates. The fat content, including 2 grams of saturated fat, is relatively low, which aligns well with the goal of building lean muscle mass without excessive caloric intake from fats. The carbohydrate content is also pretty good, with 2 grams of dietary fiber and zero sugars, making it a good option for those following low-carb diets or aiming to avoid added sugars.

Additionally, the product provides essential micronutrients like calcium, iron, and potassium. The iron content is particularly notable, offering 45% of the daily value, which is beneficial for maintaining healthy red blood cells and preventing iron deficiency, especially in a plant-based diet.

While the sodium content is on the higher side at 540mg per serving, it may aid in electrolyte balance during intense workouts. However, individuals on a sodium-restricted diet should take this into consideration.

In comparison to other plant-based protein powders, Optimum Nutrition’s product provides a robust blend of pea protein, fava bean protein isolate, and brown rice protein concentrate. These proteins are well-regarded for their amino acid profiles and digestibility, making them effective for muscle recovery and growth. The use of natural flavors and steviol glycosides instead of artificial sweeteners is also a significant advantage, catering to health-conscious consumers who prefer clean ingredients.

While there are cheaper plant-based proteins available, many of these alternatives provide lower quality and less sophisticated protein blends. However, the lack of digestive enzymes, present in some competing mid-range products, may be an important consideration. Digestive enzymes can aid in the breakdown and absorption of plant proteins, enhancing their bioavailability and reducing potential digestive discomfort. Despite this, Optimum Nutrition Gold Standard 100% Plant Protein remains a strong contender in its category, offering a blend of quality, taste, and effectiveness that makes it a worthwhile choice for those seeking a reliable plant-based protein powder.