
Protein
How Many Protein Shakes Do You Need Per Day?
You know protein is good for you. But how much do you need? Keep reading to learn how many protein shakes you should drink each day for fat loss or muscle gain.

What Is Whey Protein Isolate?
What is whey protein isolate? It's a filtered form of whey with more protein per scoop. See how it differs from concentrate and the benefits it can offer.

The 4 Types of Whey Protein and Which is Best
The 4 types of whey protein, from concentrate to isolate and beyond, differ in how they're processed. Here's how each one is made and which is best for you.

Why is Soy Lecithin in Your Protein Powder?
Why is soy lecithin in your protein powder? It's a common additive in many standard powders. Here's what it is, why brands use it, and why you might skip it.

13 Facts Everyone Should Know About Protein Supplements
13 facts about protein supplements most people don't know, from how whey and casein absorb differently to what goes into making the powder in your tub.

Does Your Protein Contain Heavy Metals?
Some studies have found heavy metals like lead, mercury, cadmium and arsenic in protein powders. Here's why it happens and how to choose a cleaner product.

The Importance Amino Acids in Protein Powders
Amino acids in protein powder matter as much as the protein count. Here's what amino acids are, why the profile matters, and what to check on the label.

4 Potentially Harmful Whey Protein Ingredients
Many whey protein powders contain more than whey. These are 4 potentially harmful whey protein ingredients to watch for on the label, and why they matter.

Common Fillers to Avoid in Protein Powders
Common fillers in protein powder, like carrageenan, are added for flavor, texture or shelf life. Here's which additives to watch for on the ingredients list.

Is Chinese Whey Protein Safe?
Is Chinese whey protein safe? Looser rules and profit-driven makers mean some whey isn't what it claims. Here's what to watch for and how to choose safely.

Best Whey Protein Powder for Women
The best whey protein for women starts with grass-fed whey and a short ingredient list. Here's what to look for, and why every woman can benefit from whey.

Why Artificial Sweeteners are Bad for Protein Supplements
Artificial sweeteners show up in many protein powders because they add sweetness without calories. Here's why they may not belong in your supplement.



























