Proline was first isolated from casein in 1901, and unlike any of the other amino acids it is readily soluble in alcohol. It is a nonessential amino acid and can be synthesized from glutamic acid and does not require dietary sources.


What it is

Proline is the dispensable amino acid in the animals. It is a cycliccompound and do not possess free amino group, but react like alphaamino acid. It is non-essential and formed in the body from glutamicacid and ornithine. From different studies, there is a close relationamong the metabolism of proline, ornithine, arginine and glutamic acid.Hydroxy proline is the oxidation product of proline. There is noevidence that hydroxyproline is converted into proline. It isglycogenic and this effect is manifested after being converted intoglutamic acid.

Proline is one of the main components of collagen. Collagen fibres arefound in the tendons, ligaments and connective tissues of the body.Proline also promotes the formation of bone, skin and cartilage and itis extremely important for the proper functioning of joints andtendons, also helps maintain and strengthen heart muscles and ishelpful in tissue repair after injury, or for any type of woundhealing. Proline is also involved in energy production.


What it does

Proline improves skin texture by aiding the production of collagen and reducing the loss of collagen through the aging process. It helps in the healing of cartilage and the strengthening of joints, tendons, and heart muscle. It works with Vitamin C to promote healthy connective tissues.



  • Production of collagenand cartilage
  • Keeps muscles and joints flexible
  • Reduces sagging and wrinkling from sun exposure and aging
  • Used for development and maintenance of healthy skin and connective tissues
  • Maintains muscle tissue



The recommended therapeutic dose is between 500 milligrams and 1,000 milligrams daily, in combination with vitamin C.