
GNC offers a wide range of health and nutrition products, including protein supplements, which are essential for muscle building and maintenance. One of their popular products is the GNC AMP Sustained Protein Blend, which comes in various flavours, including vanilla, strawberry, and chocolate milkshakes. This supplement contains a blend of four protein sources, including whey protein isolate and casein, designed to provide rapid and sustained protein release for muscle fuel, support, and recovery. GNC also offers other muscle-building products such as the GNC Pro Performance Power Protein, a whey-based supplement with added ingredients like creatine and BCAAs, promoting muscle growth and recovery.
| Characteristics | Values |
|---|---|
| Flavors | Chocolate Milkshake, Vanilla Milkshake, Strawberry Milkshake, Classic Vanilla, Chocolate Frosting, Double Rich Chocolate |
| Number of Servings | 22, 25, 28, 70 |
| Protein Sources | Native whey isolate, micellar casein, egg whites, whey hydrolysate, whey protein isolate, whey protein concentrate |
| Additional Ingredients | Creatine, BCAAs, L-Glutamine, L-Arginine, Tribulus terrestris (Gokhru) Powder, Alkalized Cocoa Powder, Pro-Hydrolase Protease Enzyme, Thickeners, Sweeteners |
Explore related products
What You'll Learn

GNC AMP Sustained Protein Blend flavours
GNC AMP Sustained Protein Blend is a dietary supplement that provides four sources of scientifically blended protein: native whey isolate, native micellar casein, egg whites, and whey hydrolysate. It delivers 25g of fast and slow-digesting proteins per 35g scoop, supporting muscle recovery and growth throughout the day. The blend is designed to provide a steady release of amino acids, making it suitable for post-workout recovery or as a meal replacement.
The GNC AMP Sustained Protein Blend is available in several flavours, including:
- Fruity Crisps: This gluten-free option offers a delicious way to fuel your workouts with four protein sources and rapid-release amino acids.
- Peanut Butter Puffs: This flavour provides 28 servings and is also gluten-free.
- Chocolate Milkshake: A classic chocolate flavour with a notable richness and strong sweetness, it's available in a 2.16-lb package.
- Chocolate Frosting: The GNC AMP Pure Isolate blend in this flavour provides 25g of whey protein iso with 5g of BCAA, supporting athletic strength and performance.
The GNC AMP Sustained Protein Blend also comes in other flavours like Classic Vanilla and Chocolate Fudge, ensuring a variety of options to suit different taste preferences.
Muscles: Our Body's Natural Defense Mechanism
You may want to see also
Explore related products

GNC Pro Performance Power Protein ingredients
GNC Pro Performance Power Protein is a muscle super-fuel designed to help you achieve your bodybuilding goals. It contains 100% pure whey and other clinically proven ingredients, including:
- Creatine—which, together with L-Glutamine, delivers an extra surge of energy and endurance to help you power through tough training sessions.
- BCAAs (Branched-Chain Amino Acids)—which provide a rich source of amino acids that speed up muscle repair and recovery.
- L-Glutamine—which, together with Creatine, provides an extra pump of energy and stamina to keep up with heavy training.
- L-Arginine—which boosts Nitric Oxide production to improve blood circulation and increase the supply of oxygen to your muscles, making them stronger and more active.
- Tribulus terrestris—a special herbal extract that increases strength and endurance.
GNC Pro Performance Power Protein is also gluten-free and infused with a Pro-Hydrolase Protease enzyme for easy digestion. It has no added sugar and comes in a Double Rich Chocolate flavour.
What Are Heart Valves Made Of?
You may want to see also
Explore related products

GNC AMP Sustained Protein Blend side effects
GNC does carry products from the Muscle Milk range, including Muscle Milk 100 Calorie Protein Powder and Muscle Milk Pro Series Protein Powder.
GNC AMP Sustained Protein Blend is a dietary supplement that provides four sources of scientifically blended protein: native whey isolate, native micellar casein, egg whites, and whey hydrolysate. It is important to note that while protein supplements can be beneficial, excessive intake can lead to health problems.
- Insomnia
- Constipation
- Gas
- Dehydration
- Acne
- Diarrhea
- Impaired kidney function
- Increased risk of cancer
Additionally, whey protein, one of the main ingredients in the GNC AMP Sustained Protein Blend, may interact with certain medications. It is always recommended to consult with a healthcare professional before taking any supplements, especially if you have any health concerns or are taking medication.
Bicep Muscles: Energy Storage or Something Else?
You may want to see also
Explore related products

GNC AMP Sustained Protein Blend availability
GNC offers a variety of protein supplements, including the GNC AMP Sustained Protein Blend. This product is available in several flavours, including vanilla milkshake, strawberry milkshake, and chocolate milkshake. The GNC AMP Sustained Protein Blend is a dietary supplement that contains four protein sources: native whey isolate, micellar casein, egg whites, and whey hydrolysate. It offers seven hours of sustained protein release throughout the day, providing immediate and ongoing muscle fuel, support, and recovery.
The GNC AMP Sustained Protein Blend is available for purchase through various online retailers, including Amazon, Target, and Walmart. It is also available directly from the GNC website and physical GNC stores, as indicated by customer reviews.
In addition to the GNC AMP Sustained Protein Blend, GNC offers other protein supplements such as the GNC Pro Performance Power Protein, which is available in a 4-pound package of Double Rich Chocolate flavour. This product is specifically targeted towards bodybuilding and fitness enthusiasts, containing 100% pure whey along with other clinically proven ingredients such as creatine, BCAAs, and L-Glutamine.
GNC provides a diverse range of protein supplements to cater to different preferences and goals. The availability of the GNC AMP Sustained Protein Blend across multiple retailers ensures convenience and accessibility for those seeking this particular product.
Muscle Anatomy: Understanding How Muscles Attach and Function
You may want to see also
Explore related products

GNC AMP Sustained Protein Blend serving suggestions
GNC AMP Sustained Protein Blend is a dietary supplement that provides a blend of fast- and slow-digesting proteins, making it suitable for those seeking both quick muscle repair and longer-lasting protein absorption. The product contains four protein sources: native whey isolate, native micellar casein, egg whites, and whey hydrolysate.
Each 35g scoop of the GNC AMP Sustained Protein Blend delivers 25g of protein, 1.5g of fat, 4g of carbohydrates, and 1g of sugar. The blend also includes calcium and potassium, which support hydration and muscle function. This product is designed to be used as a post-workout shake or a meal replacement, providing a steady release of amino acids to fuel the body efficiently throughout the day and night.
As a dietary supplement, it is recommended to mix one scoop (35 g) of the GNC AMP Sustained Protein Blend in 6-8 fl. oz. of cold water. This versatile product can be consumed at breakfast, between meals, after workouts, or on non-training days.
GNC AMP Sustained Protein Blend is available in several flavour profiles, including Fruity Crisps, Peanut Butter Puffs, Chocolate Frosting, and Chocolate Milkshake. It is also offered in a S'mores flavour in single-serving options.
Muscle Movement: Generating Heat and Energy
You may want to see also
Frequently asked questions
GNC does not carry Muscle Milk but they do carry their own brand of protein powder.
GNC's protein powder is called GNC AMP Sustained Protein Blend.
GNC AMP Sustained is a dietary supplement containing four protein sources, including native whey isolate, micellar casein, egg whites, and whey hydrolysate. It delivers seven hours of sustained protein release throughout the day.
GNC AMP Sustained Protein Blend comes in vanilla milkshake, strawberry milkshake, chocolate milkshake, and fruity crisps.










































