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.
Stores of B12 can last for up to a year. Foods high in Vitamin B12 include shellfish, liver, fish, crab, fortified soy products (tofu, soymilk), fortified cereals, red meat, low fat dairy, cheese, and eggs.
Vitamin B-6 Food Sources. Consume a balanced diet of healthy foods, for the best source of vitamin B-6. Good sources of vitamin B-6 include fresh fruits, green leafy vegetables, whole grains, cereals, legumes, fish and poultry.The recommended dietary allowance for vitamin B-6 is 1.3 milligrams per day for men and women ages 19 to 50 years and 1.7 milligrams per day for adults ages 51 years and older.ood sources of vitamin B-6 include fresh fruits, green leafy vegetables, whole grains, cereals, legumes, fish and poultry.