Vitamin K is recognized as a key factor in the synthesis of blood clotting factors, but its involvement in a broader range of biological mechanisms, including calcium homeostasis, bone and
Melatonin (N-acetyl-5-methoxytryptamine) is an important neurohormone that readily penetrates cell membranes and exerts many beneficial biological functions for human health and well-being, including neuroprotective, immune-supportive, and anti-ageing properties. The best-known