It is generally not recommended to give vitamin capsules to a 2-year-old child. It is best for children to obtain their vitamins and nutrients through a balanced diet that includes fruits and vegetables. Additionally, it is important to be cautious with vitamins in forms that could pose a choking hazard, such as chewable vitamins. It is advisable to consult with a pharmacist to find suitable liquid vitamin products for young children and to determine the appropriate dosage.