What Is Whey Good For?

Medically Reviewed on 4/29/2022
Whey protein weight loss
Whey protein is an excellent source of protein, which makes it particularly good for building muscle and strength and losing weight.

Whey is the watery liquid that separates from curds while making cheese. Whey protein is derived from whey and is rich in various amino acids needed by the body for optimum health.

Whey protein powder may be a good option for losing weight, improving physical performance, or increasing bone fitness. Muscles, skin, hair, and nails all benefit from a whey protein diet.

There are numerous advantages of consuming whey protein, regardless of gender, which include:

  • Athletes, fitness enthusiasts, and bodybuilders try to consume whey protein powder to gain muscle mass and improve physical performance.
  • By incorporating whey protein into your diet, you can reduce fat tissue while increasing lean muscle mass, allowing you to lose fat and tone your body.
  • Whey protein is high in nutritional value, since it contains all essential amino acids, including branched-chain amino acids, and is naturally high in calcium, making it excellent for your bones.
  • Some researchers believe that whey can help rebuild the immune system after illness or surgery.
  • Some doctors may recommend whey protein to their patients who are deficient in amino acids or have medical issues that affect their digestive systems to build muscle mass.
  • According to studies, whey also helps with psoriasis by reducing itchy skin symptoms.
  • Research findings suggest specific proteins in whey contain peptides that have been shown to lower blood pressure.
  • The lactose content of the whey protein isolate is less than one percent, which means you can have it even if you are lactose sensitive or intolerant. However, as with anything else, consult with your doctor first.
  • Many studies show that whey protein increases insulin production and activity in healthy people, resulting in lower postprandial (PP) blood glucose levels. This is also effective for type II diabetes who struggle to maintain low blood sugar levels. The addition of whey protein powder before a simple carbohydrate meal promotes insulin release and lowers blood glucose levels after the meal.
  • A large study conducted by the Department of Nutrition and Food Hygiene concluded that high doses of whey protein reduce a key marker of inflammation (C-reactive protein) in people who have chronic inflammation.

Whey protein, obtained from cow's milk, is a high-quality protein powder. Milk contains two proteins: casein (about 80 percent) and whey protein (approximately 20 percent). Whey protein is more soluble than casein and of a higher quality. It is frequently referred to as the best protein supplement because it is the most nutritious protein available and provides optimal nutrition for rapid absorption into muscle.

Whey protein can be consumed in a variety of forms, including powders, liquids, and even tablets. Although liquid-soluble powders provide a faster source of protein, tablets are just as effective in the long run.

What are the three different types of whey?

In general, there are three forms of whey protein, and the way they are processed is what distinguishes them.

Table 1: Three different types of whey protein and health benefits
Types of Whey Protein Concentration Other Components Good for
Whey protein isolate 90-95% whey protein Processing removes excess fat, carbohydrates, and lactose. Losing weight or watching your calories
Whey protein concentrate 30-80% whey protein An optimal blend of protein, carbohydrates, fats, vitamins and minerals, bioactive components, and the best flavor. Popular among athletes
Hydrolyzed whey 80-90% whey protein Predigested protein that is partially hydrolyzed through a process in which hot acid or digestive enzymes break down whey proteins into smaller and more easily digestible particles. More easily absorbed by the body and may boost protein synthesis


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What are the possible side effects of whey protein?

According to studies, whey protein consumption is mostly associated with negative side effects when taken in high doses over an extended period.

  • Although whey does not harm the liver or kidneys, it can aggravate pre-existing damage, so people with damaged livers or kidneys should exercise caution when rapidly increasing protein intake without consulting a doctor.
  • Whey protein contains a lot of vitamins, so consuming too much of it can cause vitamin toxicity.
  • Intolerant or allergic people should choose a whey protein isolate that contains no more than 0.1 grams of lactose per tablespoon of product.
  • Other high doses' side effects include increased bowel movements, nausea, thirst, bloating, cramps, reduced appetite, fatigue, and headache.
  • Several adverse effects of the whey protein consumption were documented by analyzing a collection of several whey protein studies, and include:
    • Increased acne
    • Liver toxicity
    • Increased oxidative stress
    • Kidney problems
    • Gut issues
    • Increased expression of anger

According to research, 40 grams or more of whey protein dosage a day resulted in these negative effects.

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Medically Reviewed on 4/29/2022
WebMD. Whey Protein. https://www.webmd.com/vitamins/ai/ingredientmono-833/whey-protein

Cleveland Clinic. Is Whey Protein Good for You. https://health.clevelandclinic.org/is-whey-protein-good-for-you/

West DWD, Abou Sawan S, Mazzulla M, Williamson E, Moore DR. Whey Protein Supplementation Enhances Whole Body Protein Metabolism and Performance Recovery after Resistance Exercise: A Double-Blind Crossover Study. Nutrients. Published 2017 Jul 11. doi:10.3390/nu9070735