It's called "fortified", or in the case of bread "enriched".
Yes, caffeine is naturally present in coffee.
Yes, biotin is naturally present in a variety of foods such as eggs, nuts, seeds, and certain vegetables.
find out what different nutrients ?
No sulfur dioxide is not present naturally. It pollutes the water.
protiens
protiens
carbohydrate
fats
Minerals \m/
Yes, nicotine is naturally present in tobacco leaves.
They are found naturally in soil, water, plants, and animals. Some trace elements, such as iron and zinc, are essential nutrients for humans and are found in various foods. Others, like mercury and lead, can be toxic to humans and are often present in polluted environments.