Mushrooms are the only non-animal natural source of vitamin D.
NutriVals is a free database of Nutrition Facts.


What is Proline?

Proline is a non-essential amino acid, which means that the body can produce it on its own. It is one of the 20 amino acids that make up the building blocks of proteins, and is unique in that it has a secondary amino group, which forms a cyclic structure that makes it rigid. Proline is considered a hydrophobic amino acid because it is not attracted to water. This makes it an important structural component of proteins, particularly collagen, the most abundant protein in the human body.

Why do we need Proline?

Proline is important for the synthesis of collagen, which is a major component of tendons, ligaments, skin, and other connective tissues. Collagen is also present in bones, teeth, and cartilage. Proline helps to maintain the structure and strength of these tissues. Additionally, proline is involved in the production of cartilage and the healing of wounds. It has been shown to play a role in the immune system, as well as in the metabolism of energy.

Where is Proline found?

Proline is found in a variety of protein-rich foods, such as meat, dairy products, and eggs. Plant sources of proline include soy products, legumes, and nuts. It can also be produced by the body from other amino acids, particularly glutamate.

Daily requirements

The daily requirement for proline has not been established, as the body can produce it on its own. However, consuming adequate amounts of protein, which contains proline, is necessary for overall health and tissue repair.

Proline deficiency

A deficiency in proline is rare, as the body can produce it from other amino acids. However, a deficiency in collagen can occur, which may lead to weakened connective tissues and impaired wound healing.

Can you get too much Proline?

There is no known toxicity associated with excessive intake of proline. However, high intake of protein, which contains proline, can lead to an excess intake of amino acids and may result in negative health effects.

Should I get Proline supplements?

Proline supplements are not necessary for most people, as the body can produce it on its own. However, some athletes and bodybuilders may use proline supplements to support muscle growth and recovery. Additionally, individuals with certain medical conditions, such as osteoarthritis, may benefit from proline supplements as it may aid in the production of cartilage.

Fun facts

Proline is the only proteinogenic amino acid that is a secondary amine.

The structural rigidity of proline is responsible for the kinks in the structure of proteins, which contributes to their unique three-dimensional shape.

Proline is also used in the pharmaceutical industry as a chiral building block for the synthesis of various drugs.

Food high in Proline

This list shows food that are top sources of Proline and the quantity of Proline in 100g of food

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Fruit Vegetables Meat Dairy Eggs Bread Superfood Legumes Cereals Nuts and Seeds Seafood Other Spices and Herbs
Macronutrients Carbohydrate Fat Protein Water Fiber
Vitamins Thiamin (B1) Riboflavin (B2) Niacin (B3) Pantothenic Acid (B5) Pyridoxine (B6) Folate (B9) Cobalamine (B12) Ascorbic Acid (C) Vitamin A Vitamin K Vitamin E Vitamin D
Minerals Calcium (Ca) Iron (Fe) Magnesium (Mg) Phosphorus (P) Potassium (K) Sodium (Na) Zinc (Zn) Copper (Cu) Manganese (Mn) Iodine (I) Selenium (Se) Fluoride (F)
Amino acids Arginine Histidine Lysine Aspartic Acid Glutamic Acid Serine Threonine Asparagine Glutamine Cysteine Selenocysteine Glycine Proline Alanine Isoleucine Leucine Methionine Phenylalanine Tryptophan Tyrosine Valine