FORMAT: Free form amino acid powder SIZE: 75g DOSAGE RANGE Take ½ - 1 level teaspoon twice a day. A level metric teaspoon of L-Proline weighs 2.47 grams. HOW TO TAKE Mix with or wash down with water or juice. METABOLIC ROLE Connective tissue, energy. THERAPEUTIC USE Collagen, repair of connective tissue NUTRITIONAL DATA 100% pure free form L-Proline USP.