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.
1920s â Blood Typing. In the early 1900s, there was a scientific discovery about human blood types â A, AB, B, and O â based on the antigens found in the blood. This blood typing system was also called the ABO system. In the 1920s, scientists found that blood types were genetically inherited. It was then possible to predict the childâs blood type based on the parentsâ blood types or identify one parentâs blood type based on the childâs and the other parentâs blood types. The possible blood type relationships between parents and children are summarized in the following chart.