Vitamin B-100 Complex oral Side Effects. Mild upset stomach or flushing may occur. These effects are usually temporary and may disappear as your body adjusts to this product. If any of these effects persist or worsen, contact your doctor or pharmacist promptly.itamin B-100 Complex oral Interactions. If you are taking this product under your doctor's direction, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not stop, start, or change the dosage of any medicine before checking with them first.
A person's blood type is determined largely by genetics, and it does not change through his or her lifetime. A simple blood typing test can be performed literally anywhere by anyone through the use of specially-treated testing cards. One of the main factors that determines blood type is family genetics.
1 Everyone has one of four blood types â A, B, AB, or O â which is inherited from your parents. 2  Your blood type is determined by the presence or absence of two antigens â A and B â on the surface of red blood cells.A third antigen, called Rh factor, will either be present or absent. Antigens are substances that may trigger an immune response, causing your body to launch an attack if it believes they are foreign.hile all blood is similar in its components (such as containing red cells, platelets, and plasma), it also has important characteristics that make it unique. Your blood type is determined by the presence or absence of two antigens â A and B â on the surface of red blood cells.