We all know the role of collagen in overall wellness and in maintaining healthy skin. A super essential compound found in the body, collagen helps to maintain the proper structure of connective tissue, such as bones, skin, cartilage, and blood vessels.  But we may not have heard of the amino acid for the formation of collagen and vital for collagen biosynthesis besides maintaining its structure, and strength. Proline or L-proline the building block for protein also called proteinogenic amino acid, is a non-essential amino acid that exists in the form of crystals transparent in nature and helps in collagen building. Besides being important for collagen formation, proline plays a large role in skin healing. While the body makes proline independently, it is also consumed in the diet.

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Functions Of Proline

One of the 20 amino acids that are used to synthesize proteins by the human body, let us look at some wonderful benefits of proline on the human body:

Collagen Formation: Proline plays a crucial role in helping form collagen in the body.

Injury Support: This amino acid helps regenerate cartilage and repair joints besides aiding the formation of connective tissues. It also helps to prevent joint pain.

Skin Health Support: Proline helps in repairing skin damage and wounds specifically when combined with other components like vitamin B6, and vitamin C to provide an adequate supply of the enzymes needed for the skin healing process.

Bolster Digestive Health: It heals the gut lining, thus augmenting the digestive system.

Muscle Recovery: Proline may also support muscle growth and help in recovery when there have been mild to major injuries to the muscle.

Aids Heart Health: Proline helps support the functioning of the cardiovascular system and prevents mild to chronic heart ailments.

Foods That Contain Proline

Here are some foods that are great sources of proline:

Signs You May Need L-Proline

A low-protein diet, chronic injuries, and mild to severe illnesses may prevent the body from making adequate quantities of proline. This is the time when you may benefit from L-proline supplements. Specific signs in the skin that might indicate a deficiency of this amino acid is when the skin sores are slow to heal. Chronic joint discomfort that may be a result of degenerating cartilage also indicates that you are deficient in proline amino acid.

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What Happens If You Are Proline Deficient?

Deficiency of proline may cause elementary neurological disorders and deficits such as a lack of coordination between muscles, limbs, and joints. It may also lead to dysmetria which is a lack of ability to judge distances that can lead to under or overshoot in grasping movements and a variety of wound-healing deficits.

References:

Proline: The Distribution, Frequency, Positioning, and Common Functional Roles of Proline and Polyproline Sequences in the Human Proteome

Department of Biochemistry and Genome Technology Center, Stanford University Medical School, Stanford, California.

https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2020.00776/full

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3556072/