states there will be side effects of whey protein

There is no documentation that states there will be side effects of whey protein except for those who have allergy to dairy products. If you have an allergy to dairy  selling food suplement products and derivatives can consult with experts before taking whey protein. 

Choosing the right whey protein 

When choosing the right whey protein for you need to consider several things: the budget, the quality of the product, the body needs. As mentioned above that there are 3 types of whey protein sold: 

Whey protein isolate - Whey protein is the most pure to the current (development hydrolyzed isolates) 

Whey protein concentrate - not sepure isolates, fat and lactose had slightly higher 

Whey protein blend - a mixture of isolate and concentrate 

The more pure and high-quality whey protein more expensive price. This is why whey isolate is more expensive. But the results be obtained commensurate with that paid. In addition to its fat, carbohydrate and lactose which is also lower with high quality protein and high protein content will give persajian with low calorie. If your budget is sufficient clear whey protein isolate is the ultimate choice. 

Pro and Contra of whey protein isolate: 

Pros of Whey Protein Isolate: 

The most pure form of whey protein from 

Very low fat, carb and lactose 

High amino acid 

Higher protein content 

Very good for muscle building and fat loss 

Cons of Whey Protein Isolate: 

More expensive than concentrate and blends 

Top 3 Selling Whey Protein Isolate / hydrolyzed Isolate Powders: 

Platinum Hydrowhey 

Dymatize Iso-100 

AST VP2 

While whey protein concentrate whey protein isolate sefilter not, but the quality remains high and rich in amino acids. Due sefilter concentrate not isolate the protein content dididapatkan perscoop will be lower and generally will be higher calorie. This is not a problem for people who want to raise a little weight or maintain, but for those wishing to lower the weight or are preparing for the competition may be a problem. Generally the difference 2-5g protein per scoop. For a 30g scoop of whey protein isolate may contain 25 and 105 calories of protein, while the concentrate may beriksar 21g and 130 calories.