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.
Which foods contain it: Vitamin B-12 is found primarily in meat and dairy products, so anyone on a strict vegan diet is at risk for deficiency. The only source of B-12 is through fortified foods. Some of the best sources of vitamin B-12 include: 1  eggs.  cheese (one serving is the size of a domino)