Is Consuming Milk Worthwhile?
Oliwia Kaczmarek
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Diets Premium Medical Expert • 19.03.2026
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Scientifically reviewed by a clinical dietitian:
This article has been peer-reviewed for adherence to IŻŻ, WHO, and PTGiP clinical nutritional standards.
| CLINICAL KNOWLEDGE MAGAZINE Dairy-Based | min read 4 min |
| Diets Premium Medical Expert Oliwia Kaczmarek | Scientifically reviewed by a clinical dietitian 19.03.2026 |
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Key Takeaways
Every food product can have both advantages and disadvantages. In this article, we will discuss the topic of milk and consider whether it is worthwhile to consume milk and what its potential benefits and drawbacks may be.
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It's a striking composition of milk
It is valuable to investigate the composition of milk to ensure that it is safe to consume: milk fat - 3.5%; protein - 3.2%; sugar - 4.7%; water - 87.4%; minerals - 0.8%. In 100g of the product, there is: protein - 2.8g; carbohydrates - 4.7g; fat - 3.2g. Based on this analysis of the composition, there are no contraindications for consuming milk.
Milk beverage that provides a balanced meal for bodybuilders
If there are no contraindications, milk beverage should not be completely excluded from the diet, as it contains all the essentials for a bodybuilder: – protein – milk beverage contains a high amount of whey and casein, which are rich in proteins essential for muscle growth. If one consumes a glass of milk beverage per day, the daily protein intake increases by 7.5 g; – kilocalories – milk beverage is rich in kilocalories, which are necessary for intense training. Two glasses of 2% milk beverage contain about 235 kcal; – calcium – milk beverage and dairy products are one of the richest sources of calcium among food products. Calcium affects endurance and bone growth. A deficiency in calcium leads to a decrease in performance during training; – vitamins – dairy products are rich in vitamins A and D. Vitamin A affects vision, while vitamin D is a steroid hormone that improves the absorption of calcium. A high concentration of these vitamins is harmful to the body, but the amount in milk beverage is small; – water – scientists have proven that the human body is made up of 60–70% water. Hydration is a very important process in the body; – carbohydrates – without their consumption, no energy is provided, which is necessary for strength training.
Advantages of consuming milk
Milk is a rich source of nutrients. It contains proteins, carbohydrates, fats, minerals, vitamins, enzymes, hormones, and much more. However, the most valuable is full-value protein, which contains the necessary amino acids. Milk and dairy products are a valuable source of protein for vegans and vegetarians. Milk protein is more digestible than protein from meat. Milk contains methionine, which also contributes to normalizing cholesterol levels and preventing heart diseases. Another component of milk - lecithin - also helps in preventing heart diseases. When it comes to carbohydrates, milk contains lactose, which is easily absorbed by the body. Milk is also a good source of the amino acid leucine, which increases muscle protein synthesis. Milk also contains many minerals such as calcium, phosphorus, magnesium, iodine, zinc, and sodium. Calcium and fluoride are easily absorbed by the body. A lack of calcium in the body can lead to bone fragility, disorders of the nervous and muscular systems, poor blood clotting, and problems with blood vessels. Therefore, it is worth including milk and dairy products as a source of easily digestible calcium in the diet. Milk also contains vitamins A and D, as well as B vitamins such as riboflavin (vitamin B2). It is enough to drink 200 ml of milk to provide the body with 1/5 of the daily requirement of riboflavin.
Inadequacies in milk
Unfortunately, milk also has its limitations. One of them is the lack of polyunsaturated fatty acids that are essential for the body. Moreover, milk contains a substantial amount of saturated fatty acids, whose overconsumption can lead to an increase in LDL cholesterol levels in the blood and increase the risk of developing atherosclerosis. Consequently, low-fat milk and dairy products are often encountered. Another significant limitation is that not everyone can digest lactose. This is due to the lack of sufficient amount of lactase, the enzyme responsible for digesting lactose, resulting in the body's inability to digest milk. In case of lactose intolerance, symptoms such as diarrhea, nausea, vomiting, and bloating may occur. In such cases, it is necessary to seek lactose-free products available in stores, such as lactose-free milk, yogurts, and cheeses.
Is there anything else of value worth knowing about milk?
It is also important to note that: milk is a component of a gainer that supports muscle mass building. However, it is important to consume milk with low-fat content. It can also be combined with some sports supplements; various dairy products such as yogurt, kefir, buttermilk, etc. are also valuable sources of nutrients. It is also worth mentioning that consuming milk contributes to increasing glycogen stores.
The bodybuilder's diet: The role of milk in nutrition
Is milk a nutritious component for bodybuilders? Bernard Macfadden, publisher of a bodybuilding magazine since 1923, called milk a strength elixir. In the late 1960s, Reg Park, a ten-time Mr. Universe, surprised the bodybuilding world by revealing that he had been consuming no more than four meals a day for several years, but the basis of his diet was a milk and honey-based cocktail that he drank at least six times a day. Another case is the American weightlifter Bruce Randall, who decided to set a new record. He consumed at least three liters of milk per day, increasing his weight to 180 kg. Subsequently, by maintaining a milk diet, he reduced his weight to 101 kg and won the Mr. Universe title in 1959.
Oliwia Kaczmarek
Diets Premium Medical Expert
Member of the Diets Premium clinical editorial board. Specializes in medical diet therapy, metabolic health, and nutritional planning.
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