Our blood circulation is also called perfusion. It supplies the organs and organ parts of the human organism with blood. Strictly speaking, all organs, joints and muscles are supplied with oxygen and nutrients. The bloodstream transports oxygen-rich blood from the heart to the rest of the body.
Niacin / Vitamin B3 is a water-soluble vitamin and belongs to the group of B vitamins. It is also known as vitamin B3 or nicotinic acid. The human body forms niacin in the liver from the amino acid tryptophan. Niacin is present in all body tissues and is essential for energy production and metabolism.