Essential Amino Acids vs. Non-Essential Amino Acids

A person's health should be their number one priority. Without it, they can’t enjoy other significant aspects of life like family, career, leisurely activities, and the simple joys that make life worth living. This is why it’s necessary to ensure one's body gets the sustenance it needs to stay at its best.


All amino acids are connected to good health. However, not all amino acids are made the same way, and all of them don’t have the exact same aim. For protection, it’s good to understand the importance of the role that each amino acid plays and how these organic compounds are grouped.

What are Essential Amino Acids?

Unlike plants, humans just don’t have the appropriate enzymes needed to naturally make all amino acids. Essential amino acids, also called indispensable amino acids, refer to the organic molecules that we can’t product internally and must obtain by way of diet. These specific amino acids include isoleucine, leucine, phenylalanine, histidine, tryptophan, methionine, valine, lysine, and threonine.

An individual can get a sufficient amount of essential amino acids in poultry, seafood, eggs, meat, and dairy products.

Benefits of Essential Amino Acids

  • Lowers and regulates blood sugar levels
  • Plays a vital role in weight control
  • Repairs tissue damage
  • Builds muscles
  • Increase hormone growth

What are Non-Essential Amino Acids?

Amino acids that humans can synthesize are called non-essential amino acids. They are released in the gastrointestinal tract, absorbed and then transported to the liver. These organic compounds consist of serine, glycine, tyrosine, proline, alanine, aspartate, glutamine, asparagine, cysteine, and glutamate.

Benefits of Non-Essential Amino Acids

  • Restores cellular activity
  • Good for muscle building
  • Strengthens the body's immune system
  • Fortifies heart muscles and brain activity
  • Promotes a healthy digestive tract

Conditional Amino Acids

Several non-essential amino acids are also considered conditional amino acids, because they're only needed at one stage of development in life or times when you have a weaker immune system.

Conditional amino acids are:

Semi-essential Amino Acids

In addition to conditional amino acids, there are semi-essential amino acids which can be synthesized, albeit not in significant amounts. Despite their scarcity, these are extremely important, especially during times of illness or other strenuous circumstances.

Semi-essential amino acids are:

Common Effects of Deficiency

  • Fragile hair and changeable hair texture
  • Weak muscular system
  • Dull skin tone
  • Kidney dysfunction
  • Higher exposure to disease

It’s impossible to live without protein for long. The lack of amino acids, its component, has a huge negative impact on a peson's health. One must be sure to maintain the correct intake of those that cannot be produced by the human body via amino acid supplements. Because everybody is different, it is best to consult with a specialist if uncertain about recommended amounts of supplemental amino acids. Those with strict diets are especially encouraged to seek advice, as much attention is needed to ensure proper intake.

More Amino Acid Information