When deciding which protein to use for supplementation, we all get a little confused at first. It's normal; there are so many types of protein, with different names, different assimilation rates, from different sources.

It's very common in my line of work to hear the same question at least once or twice a day: "What's the difference between whey and isolate?" "I want a protein from the 'whey' brand." I think there's a lot of lack of information, as well as misinformation, circulating in gyms.

First of all, the difference between whey and isolate:

Among the different types of protein, two of the most popular are whey and isolate, but what is the difference between them?

  • Whey: It's not a brand; whey means dairy serum in English. Therefore, all brands will use "whey" because that is their raw material and their main component.
  • Isolate, concentrate, hydrolysate: All are whey protein (dairy serum protein). These terms refer (I'm putting it in a very simple and perhaps non-technical way, but just so we understand) to the way that protein has been obtained/manufactured.

​Differences in assimilation

However, there are differences in assimilation, the speed at which the protein "enters" your muscles, and the protein percentage also varies:

  • Whey concentrate, such as Gold Whey (ultrafiltered protein), fast assimilation, approximately 75 – 80% protein.
  • Whey isolate, such as Isolate Whey 100CFM. Even faster assimilation than the previous one, 90% protein.
  • Whey concentrate + isolate: In this case, different types of whey protein (obtained in different ways) are mixed and combined into a single supplement like Victory's Super Nitro Whey or Premium Whey. Here, we get a product that is also fast-absorbing with a more complete aminogram as it contains a blend of both types of dairy serum.

But, what type of protein should I take after training?

My answer is that all types of protein are equally effective and good for your recovery and muscle formation.

In any case, isolates (also called CFM) are ideal for definition phases, diets, or pre-competition because they contain more protein, less sugar, and less fat (practically zero).

Likewise, I also believe, and I have personally tried it, that you can achieve the same pre-competition definition results by taking a good concentrated protein or a mix of both. Because the key is nutrition.

Weider always guarantees the best results, no matter which protein you choose, even Weider's Vegan Protein (slower assimilation) offers excellent results when taken after training.

Conclusion:

  • Whey concentrate: after training for maintenance, recovery.
  • Whey isolate: after training, definition.
  • Whey concentrate + isolate: in both cases.

My advice: Vary, keep trying different classes based on your needs.

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