Natural Versus Supplemental Protein

Millions of people take protein supplements in the form of bars, beverages, capsules and pills. Many get enough protein from their diet.

While plant and animal foods provide complete protein (all nine essential amino acids), so protein supplement, like collagen, provide incomplete protein. Others have more nonessential amino acids than essential amino acids.

In this video:

• What is protein? 00:47
• Sources of natural food protein. 1:19
• Complete versus incomplete proteins. 1:53
• High versus low quality protein.2:41
• Added proteins. 3:47
• Supplemental protein is expensive protein. 5:20