
Muscle Milk is a brand of protein-based products that include ready-to-drink shakes, powder mixes, and bars. The products are designed to help fuel recovery from exercise and build muscle mass. They are meant to be used in conjunction with a smart exercise-training program and sound nutrition and hydration practices. The brand was initially owned by CytoSport, but in 2019, it was sold to PepsiCo, Inc. for $465 million. A 2010 investigation by Consumer Reports found that some Muscle Milk products contained levels of heavy metals near or exceeding the levels proposed by the United States Pharmacopeia (USP). However, CytoSport disputed these claims, stating that their products did not exceed the proposed maximum levels of heavy metals.
| Characteristics | Values |
|---|---|
| Product Type | Ready-to-drink, powder mixes, and bars |
| Protein Content | 32 g |
| Protein Source | Milk |
| Additional Ingredients | Water, Calcium Caseinate, Milk Protein Isolate, Sodium Caseinate, Alkalized Cocoa Powder, Vegetable Fiber, Sunflower Oil, Canola Oil, Natural and Artificial Flavors, Vitamins, etc. |
| Purpose | Support exercise recovery, build lean muscle mass, and manage weight |
| Manufacturer | CytoSport |
| Owner | PepsiCo, Inc. |
| Heavy Metal Concerns | Cadmium, Lead, Arsenic, and Mercury levels in Chocolate powder |
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What You'll Learn

Muscle Milk products contain protein
Muscle Milk is a brand of protein-containing products, including ready-to-drink shakes, powder mixes, and bars. The products are designed to help fuel recovery from exercise and build muscle. They are marketed as complementary to sound nutrition and hydration practices and a smart exercise training program.
The Muscle Milk PRO SERIES® Protein Powder, for example, is an easy-to-mix powder that can be added to shakes, smoothies, or recipes. It is recommended to be consumed 30-60 minutes after exercise when the body is primed for replenishing fuel stores and repairing muscles. The powder contains high-quality proteins that help increase amino acid levels, boosting muscle growth.
The Muscle Milk Vanilla Crème Genuine Protein Powder is another product that provides 32 grams of protein with slow and fast-releasing proteins to boost muscle growth.
In addition to protein, Muscle Milk products also contain various other ingredients. For instance, the Muscle Milk Protein Nutrition Shake includes water, calcium caseinate, milk protein isolate, sodium caseinate, alkalized cocoa powder, and small amounts of several other components.
It is important to note that there have been some concerns and controversies surrounding Muscle Milk products. In 2019, a Consumer Reports investigation found that two of the Muscle Milk powder products contained levels of heavy metals (cadmium, lead, arsenic, and mercury) that were near or exceeded the levels proposed by the United States Pharmacopeia (USP). However, CytoSport, the company that owns Muscle Milk, disputed these claims, stating that their popular Chocolate liquid shakes did not exceed the proposed maximum levels of heavy metals, even when consumed multiple times per day.
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They are designed to aid muscle growth and recovery
Muscle Milk is a brand of protein-containing products, including ready-to-drink shakes, powder mixes, and bars. The products are designed to aid muscle growth and recovery through their high-quality protein content.
The protein in Muscle Milk comes from milk and includes sources such as calcium caseinate, milk protein isolate, and sodium caseinate. These proteins help to increase amino acid levels in the body, which is important for muscle growth and recovery. The Muscle Milk PRO SERIES® Powder, for example, is an excellent source of protein that can help fuel recovery from exercise and build muscle. It is recommended to consume this product 30-60 minutes after exercise when the body is primed for replenishing fuel stores and repairing muscles.
In addition to protein, Muscle Milk products also contain other ingredients that may support muscle recovery and overall health. For example, the Muscle Milk Vanilla Crème Genuine Protein Powder contains 32 grams of protein as well as other ingredients such as sunflower oil, canola oil, and vitamin C.
It is important to note that Muscle Milk products are intended to complement sound nutrition and hydration practices and a smart exercise-training program. When used in conjunction with these practices, Muscle Milk products may contribute to effective exercise recovery, gains in lean muscle mass, and healthy weight management.
There have been some concerns regarding the safety of Muscle Milk products, with a 2010 investigation by Consumer Reports finding that certain Muscle Milk powders contained levels of heavy metals near or exceeding proposed limits. However, CytoSport, the company that owns Muscle Milk, has disputed these claims, stating that their Chocolate liquid shakes, the most popular form of their product, did not exceed the proposed maximum levels of any heavy metals tested.
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They come in powder, drink, and bar form
Muscle Milk is a brand of protein-containing products that come in powder, drink, and bar form. The powder form of Muscle Milk can be mixed into supplement shakes, smoothies, or recipes and is meant to be consumed before or after workouts or before bedtime to help build lean muscle. The powder form is also useful for maximising recovery from exercise when consumed 30-60 minutes after activity. The drink form of Muscle Milk comes in liquid shakes, such as the Muscle Milk Chocolate liquid shake, and ready-to-drink coffee. The bars are an easy and portable way to get a protein-containing snack on the go.
Muscle Milk products contain complete, high-quality protein sources derived from milk to support everyday exercise recovery. The protein in Muscle Milk helps to increase amino acid levels, boosting muscle growth and aiding in recovery from exercise. The products also contain other nutrients and vitamins, such as Vitamin C, Vitamin A, and Vitamin D3.
It is important to note that Muscle Milk products are meant to complement sound nutrition and hydration practices and a smart exercise-training program. In conjunction with these practices, Muscle Milk products may contribute to recovery from exercise, gains in lean muscle mass, and healthy weight management.
In terms of safety, there have been some concerns regarding the presence of heavy metals in Muscle Milk products. A June 2010 investigation by Consumer Reports found that Muscle Milk's Chocolate powder contained four heavy metals: cadmium, lead, arsenic, and mercury. However, CytoSport, the company that owns Muscle Milk, has disputed these claims, stating that their products do not exceed the proposed maximum levels of heavy metals, even when consumed multiple times per day.
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$16.36 $17.96

They are owned by PepsiCo, Inc
Muscle Milk is a brand of protein-based products, including ready-to-drink shakes, powder mixes, and bars. The products are designed to help with exercise recovery and muscle growth. The brand was initially owned by CytoSport, founded by Greg Pickett, who was also involved in a championship-winning North American sports car racing team.
In February 2019, Hormel announced it was selling the CytoSport business, including the Muscle Milk and Evolve sports nutrition brands, to PepsiCo, Inc. for $465 million. The transaction was completed in April 2019.
Prior to the sale, in June 2010, a US consumer advocacy magazine called Consumer Reports found that two of Cytosport's Muscle Milk products contained levels of heavy metals near or exceeding the levels proposed by the United States Pharmacopeia (USP). The products in question were Muscle Milk's Chocolate powder and Chocolate liquid shakes. The powder was found to contain four heavy metals: cadmium, lead, arsenic, and mercury. The average cadmium levels of 5.6 μg in three daily servings exceeded the USP limit of 5 μg per day, and the average lead level of 13.5 μg topped the daily limit of 10 μg. The average arsenic level of 12.2 μg was also near the daily limit of 15 μg.
In response, CytoSport stated that its Chocolate liquid shakes, the company's most popular product, did not exceed the proposed maximum levels of any heavy metals tested, even when consumed three times per day. The company's founder, Greg Pickett, also indicated that NSF International's test results contradicted those of Consumer Reports. Despite this, the National Advertising Division (NAD) of the Council of Better Business Bureaus (BBB) referred advertising claims made by CytoSport Beverage Co. for Muscle Milk to the US Federal Trade Commission and Food and Drug Administration for review.
Following the acquisition by PepsiCo, Inc., Muscle Milk products continue to be marketed as a source of high-quality protein to support exercise recovery and muscle growth. The products are designed to complement sound nutrition and hydration practices, along with a smart exercise training program, to help individuals achieve their fitness goals.
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They have been criticised for containing heavy metals
Muscle milk is a popular dietary supplement, especially among athletes and fitness enthusiasts, designed to support muscle growth and recovery. While it has gained traction for its purported benefits, muscle milk has also come under scrutiny for its potential health risks. One of the primary concerns is the presence of heavy metals in these products.
They have been criticized for containing heavy metals, which can pose significant health risks to consumers, especially if consumed regularly over an extended period. Heavy metals such as lead, cadmium, arsenic, and mercury have been detected in some muscle milk products. These contaminants can enter the manufacturing process through various means, including polluted water sources, contaminated raw materials, or improper handling and packaging. While the amounts of these heavy metals may vary across different brands and batches of muscle milk, any presence of them is a cause for concern.
Regular consumption of muscle milk with heavy metal contaminants can lead to their gradual accumulation in the body. This bioaccumulation poses several health risks. Heavy metals can interfere with the normal functioning of organs, impacting the nervous system, kidneys, liver, and cardiovascular system. They can also disrupt hormonal balance and impair cognitive function. Prolonged exposure to heavy metals has been linked to an increased risk of cancer, cardiovascular disease, and neurological disorders. For these reasons, the presence of heavy metals in muscle milk products is a serious issue that cannot be overlooked.
It is important for consumers to be aware of these potential risks and make informed decisions when considering the use of muscle milk or other similar dietary supplements. While muscle milk can provide additional protein and nutrients, it is crucial to prioritize safety and opt for products with stringent quality control measures in place to ensure heavy metal contamination is non-existent or minimal. Consumers should also be cautious of exaggerated marketing claims and always consult with healthcare professionals before incorporating such supplements into their diets, especially given the potential health implications of heavy metal contamination.
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Frequently asked questions
Muscle Milk is a brand of protein-containing products, including ready-to-drink shakes, powder mixes, and bars.
Muscle Milk products contain high-quality protein sources derived from milk. They also contain added vitamins and minerals, including vitamin C, vitamin A, and vitamin D3.
Muscle Milk products help fuel recovery from exercise and build muscle. The protein in Muscle Milk helps to increase amino acid levels, boosting muscle growth.
Muscle Milk can be used before or after workouts or prior to bedtime to help build lean muscle. For maximum recovery from exercise, it should be consumed 30-60 minutes after activity.
Muscle Milk is generally safe, but there have been concerns about the presence of heavy metals in some of its products. A 2010 investigation found that Muscle Milk's Chocolate powder contained levels of cadmium, lead, arsenic, and mercury near or exceeding the limits proposed by the United States Pharmacopeia (USP). However, the company has disputed these claims, stating that their products are safe and comply with all regulations.











































