Frequently Asked Questions

What is the difference between whey protein and whey protein isolate?

Simply put, whey protein isolate is a more concentrated, refined version of whey protein. As a result of increased processing and filtration, whey protein isolate contains higher protein per serving, as well as less fats, carbohydrates, and lactose. 

What is whey protein isolate?

Whey protein isolate is a concentrated form of whey protein that can contain 90% more protein per serving compared to standard whey protein. As a result of its concentration and filtration processes, whey protein isolate is a good source of protein for those who are lactose-sensitive and cannot ingest standard whey protein. 

Is whey protein isolate lactose free?

Whey protein isolate is not entirely lactose free. However, it contains <1% lactose, and has significantly less lactose than whey protein concentrate. 

Many people with lactose intolerance can tolerate whey protein isolate because it contains very low levels of lactose. However, individuals with severe lactose intolerance should consult a doctor before using whey protein isolate.

What is whey protein, and what is it made of?

Standard whey protein is made of milk. Specifically, whey protein is created through the process of cheesemaking, wherein the curds (cheese) are separated from the milk (whey protein). 

A benefit of standard whey protein, meanwhile, is that it contains all 9 essential amino acids that humans cannot produce themselves, including leucine which is an essential amino acid that plays a vital role in protein synthesis and muscle growth. 

Is whey protein gluten free?

Yes, whey protein – as well as DFS’s Whey Protein Isolate – does not contain gluten.

Does whey protein expire?

Yes, whey protein can and does expire. Typically, whey protein has a shelf life of 2 years if stored in a cool, dark place.

What are the benefits of whey protein isolate?

Whey protein isolate offers a wide array of benefits, including the support of normal:

• Muscle growth*
• Muscle recovery*
• Weight loss*
• Digestive health*
• Immune function*
• Heart health*

When should I take whey protein isolate?

Whey protein isolate can be taken any time of day. Many people use it post-workout for muscle recovery or between meals to help meet daily protein needs.