Your baby resembles a tadpole more than a human, but is growing fast. The circulatory system is beginning to form, and the tiny heart will start to beat this week. Your baby is the size of a sesame seed. Read about your pregnancy at 5 weeks.
A wide variety of foods contain vitamin B6, including potatoes, bananas, beans, seeds, nuts, red meat, poultry, fish, eggs, spinach, and fortified cereals. Teen guys need 1.3 mg of vitamin B6 daily and teen girls need 1.2 mg.
Vitamins B6 and B12 contribute to cardiovascular health. Vitamins B6 and B12, members of the B-complex family of water-soluble vitamins, are essential nutrients, meaning that you must obtain them from your diet or supplements in order to live. Good sources of B6 include meats, fish, poultry and legumes.Vitamin B12 is found in animal foods and fortified cereals but is absent from plant foods. These and all of the B-complex vitamins are required for metabolism of proteins, fats and carbohydrates.Additionally, vitamins B6 and B12 participate in other important health functions.itamin B12 is found in animal foods and fortified cereals but is absent from plant foods. These and all of the B-complex vitamins are required for metabolism of proteins, fats and carbohydrates.