In humans and other animals where does this glucose come From?

In humans and other animals, glucose primarily comes from the breakdown of carbohydrates in the diet, such as grains, fruits, and vegetables. When these carbohydrates are digested, they are converted into glucose, which is then absorbed into the bloodstream. Additionally, the liver can produce glucose through a process called gluconeogenesis, where it converts non-carbohydrate sources, like amino acids and glycerol, into glucose, especially during fasting or low-carbohydrate intake. This glucose is vital for providing energy to cells throughout the body.