According to the Center for disease control, Breast milk or formula will meet all your baby’s nutritional needs for the first six months. Then, as you start to add solid foods to the diet you can continue breast or formula combined with age appropriate meat, cereal, vegetables, fruit, eggs and fish.
Homemade food is usually cheaper and you have control over the ingredients where as store bought food is more convenient.
It might be time consuming and less convenient to prepare homemade food but it doesnt have the added sugar and salt sometimes added to store bought foods.
Safe shopping tips:
Buy and use products before the “use by” date
Be sure the vacuum seal on the jar lid is intact
Dont buy jars with rusty, bent or dented lids