Glycine is the smallest and one of the simplest amino acids in the human body. It is categorized as a non-essential amino acid, which means the body can produce it on its own, though it is also commonly obtained through food sources such as meat, fish, dairy, and certain plant-based foods like legumes and spinach. Key Benefits of Glycine in Skincare: Collagen Production : Glycine is crucial for collagen synthesis, which supports skin elasticity and firmness, reducing the appearance of fine lines and wrinkles. Antioxidant Support : It contributes to the body's production of antioxidants like glutathione, which helps fight oxidative stress, keeping the skin looking youthful and vibrant. Skin Barrier Function : Glycine assists in strengthening the skin barrier, helping retain moisture and protect the skin from environmental aggressors. Anti-Inflammatory Properties : It may help soothe irritation and reduce inflammation, making it suitable for sensitive or acne-prone skin. The Role of ...