It also appeared to regulate the amount of glutathione
Because it is so versatile, it is often considered a "conditionally essential" amino acid, meaning that while you usually make enough, there are many real-world scenarios where you might need an extra boost from your diet or a high-quality supplement
Barrea L, Annunziata G, Muscogiuri G, et al
An estimated 48% of Americans consume less than the recommended amount through diet
Melanosomes transfer melanin primarily to the hair cortex, to a lesser extent to the medulla, and only occasionally to the cuticle.7 Unlike epidermal melanocytes, the hair bulb contains approximately 1 melanocyte for every 5 keratinocytes, and hair follicle melanocytes have longer and more numerous dendrites.8 The second melanocyte location within the hair follicle is the bulge area