L-Proline Powder 4 oz (113.4 g) ZStrength_12k IU Testing procedures include identification by

Testing procedures include identification by infrared spectroscopy

Recommended for: Safe and effective for puppies and dogs 12 weeks and older

This biologically active sulfur compound supports the formation of both collagen (a key component of cartilage) and sulfur-containing amino acids such as cysteine

stomach at least 30 minutes before meals

L-Proline Powder 4 oz (113.4 g) ZStrength_12k IU Testing procedures include identification byL Proline is an amino acid involved in the production of collagen and cartilage and may help support healthy joints and a healthy musculoskeletal system. L Proline can be made in the body, but low protein vegetarian diets may not always promote optimal production.