UPC
Product ID 25424
L-Proline is an amino acid which serves as an important building block for collagen production. Collagen is the main structural protein found in connective tissue. L-Proline can serve to provide structural support. This product provides Free Form L-Proline to promote optimum absorption and assimilation.*
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12/30/2020
Sandra F. 
United StatesSolgar L-Proline
I have used this product for years and was unable to get it through my regular source. I googled the product and found your website. My lucky day! I have placed several order through N101 and have found it to be a reliable source. I’ll be back!