Whey protein is at the top of the list for sports supplements. Whey protein concentrate and whey protein isolate are the two whey protein leaders. However, we will focus on whey protein isolate and the best protein supplement for beginners

But before diving right into that, let's clear the basics.

What is Whey Protein Isolate?

Isolate whey is processed to remove most fat and lactose, leaving only the protein. People who have difficulties digesting lactose may benefit from whey protein isolate (lactose intolerance). However, it is not suitable for people who are allergic to milk.

Benefits of Whey Protein Isolate

Muscle development: Protein is required for the development of strong muscles. Whey protein, in particular, provides amino acids that are beneficial to muscle development.

It has medicinal qualities: Whey protein may help your skin heal faster if injured or recovering from surgery.

Gaining weight: Whey protein is beneficial because it promotes muscular building. ‌

Supplemental nutrition: Whey and whey isolate might help you get more protein in your diet if you aren't getting enough.

Best Protein Supplement for Beginners

IN2 Whey Protein

IN2 Whey Protein is a high-quality muscle-building protein powder. This protein powder comprises a range of high-quality whey proteins, resulting in a nutrient-dense, multi-functional protein supplement that gives athletes a more bioavailable protein source.

Nutritional Information:

• Per serving, 125.5 kcal of calories are provided.
• There are g of protein, 3 grams of carbs, and 0.84 grams of saturated fat per serving.
• Per serving, there's only 2.64 mg of cholesterol.
• Combination of whey protein isolate and whey protein concentrate.
• Provides 18.33% of daily calcium requirements.

Dymatize ISO

Dymatize ISO 100 5lbs is the appropriate workout buddy to increase muscle gain and strength. ISO100 is a muscle-building amino acid supplement that can assist even the most rigorous resistance-training programs in achieving their goals.

Dymatize ISO 100 5lbs is created to the highest quality standards and is renowned for its quality, flavor, and purity worldwide. It's manufactured with a multi-step purification process that preserves vital muscle-building protein fractions while removing unnecessary carbohydrates, fat, lactose, and cholesterol with a cross-flow microfiltration approach.

Nutritional Information:

• There are 25 grams of whey protein isolate and 5.5 grams of BCAAs in each meal.
• Each dish also contains 2.6 g of leucine.
• This item is suitable for vegetarians.

Labrada Whey Protein

Labrada whey protein is high in branched-chain amino acids (BCAAs), such as leucine, isoleucine, and valine, and is a good source of all essential amino acids. 

BCAAs make up one-third of muscle protein and are crucial to athletes since they boost the body's need for them due to exercising. A sufficient amount of BCAAs in the circulation protects muscles from shrinking in size and strength.

Nutritional Information:

• Per serving, 143.1 kcal of calories are provided.
• There are 26 grams of protein and 3.7 grams of carbs in each serving.
• It has a salt content of 74.75 mg.

ON Gold Standard Whey

ON whey gold standard 5lbs by Optimum Nutrition is a blend of whey protein isolate, whey protein concentrate, and whey peptides that aid in developing lean muscle mass. The primary protein source is an isolate known as the "Gold Standard of Quality" for a reason.

Nutritional Information:

• This item is suitable for vegetarians.
• Each serving has 117 calories.
• Each serving contains 5.5 grams of BCAAs and almost 4 grams of glutamine acid.
• Gluten-free.
• Each serving contains 24 grams of protein.

That was all for the Whey protein isolate. If you want to buy protein online, make sure you buy it from a reputable supplement store to assure its authenticity.