NOW Supplements, L-Proline 500 mg, Collagen Production*, Structural Support*, 120 Veg Capsules – IMPORTANT FOR COLLAGEN PRODUCTION*: Although proline can be made in the body, low protein and vegetarian diets may not provide optimal support for the production of collagen.* – PROVIDES STRUCTURAL SUPPORT*: Provides building blocks that help to stabilize and strengthen the structural components of the body.* – CLASSIFICATIONS/CERTIFICATIONS: Soy Free, Non-GMO, Vegan – GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). – Packaged in the USA by a family owned and operated company since 1968. – During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers recommendations, when provided.