Is Whey Protein Dangerous For Health?


Whey protein concentrate is widely used by individuals as supplementation to complement resistance exercise. It is known to enhance the synthesis of muscle protein and promote the overall growth of lean muscle mass.

Now the question is how does it benefit and if its intake leads to serious health effects. The topic has been debatable since the official usage of whey by people trying to building muscle and losing weight.

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What is Whey?

Milk comprises two primary proteins:

  1. Casein
  2. Whey

Whey protein is separated from the casein present in milk. It may also be created as a by-product of the cheese-making process. Since whey protein comprises all nine essential amino acids, it is considered a complete protein. The best part is its low lactose content. This makes whey a perfect option for those who are lactose intolerant and allergic to milk and milk products.

Some Facts on Whey Protein

Whey protein is a blend of the following:

1. Beta-lactoglobulin
2. Alpha-lactalbumin
3. Bovine serum albumin
4.  Immunoglobins

Benefits of Whey Proteins

Since Whey is much more than just a protein supplement, there are several other health benefits of whey protein.

  • Reduces blood sugar, blood pressure, and stress, and depression.
  • Protection against cancer is another benefit of proper whey intake.
  • Appropriate intake of whey protein is said to ease symptoms of hepatitis.
  • Whey enhances bone mineral density and helps HIV patients to boost immune function to increase their lifespan.
  • Whey protein is a rich source of amino acid cysteine. This is known to raise glutathione levels in the body. Glutathione is also the primary antioxidant present in the body’s cell.
  • Whey protein can improve immune response in kids with asthma.

Side-Effects of Whey Protein on Health

All good things have a bad side. Whey protein is no exception. So, before you include it in your diet, it is important to understand how it may harm you.

(i) Strictly avoid taking whey if you are already taking a diet high in protein. Excess intake of protein is harmful to health.

(ii) Excess protein intake may lead to a number of digestive issues such as nausea, diarrhea, pain, cramping, etc.


(iii) The inability to maintain ample and regular intake of whey will not help you derive results.

(iv) Although whey protein is likely safe for children and adults when taken orally, high doses may lead to certain side effects including excess thirst, headache, bloating, increased bowel movements, nausea, cramps, tiredness (fatigue), and reduced appetite.

(v) Whey protein is not safe during pregnancy and breastfeeding.

(vi) Those allergic to cow’s milk must avoid using whey protein.

(vii) Consistent high doses of whey protein may result in acne.

Only around 15-20gm of whey protein is recommended on a daily basis. This should be taken post-workout session to get the full health benefits of whey protein.

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