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.
A deficiency in any of these 8 vitamins that make up Vitamin B complex can cause serious health problems. It is for this reason that one should include vitamin B complex foods in one's diet. Here is a list of vitamin B complex foods. 1  Pork, berries, legumes, lean meats.2  Nuts, soy milk (Vitamin B1). 3  Eggs, dark green vegetables, fish, grains, lean meat, mushrooms (B2).4  Sunflower seeds, tuna, poultry, potato, cottage cheese, liver (B3). 5  Organ meats, avocados, broccoli, mushrooms(B5).ere is a list of vitamin B complex foods. 1  Pork, berries, legumes, lean meats. 2  Nuts, soy milk (Vitamin B1). 3  Eggs, dark green vegetables, fish, grains, lean meat, mushrooms (B2). 4  Sunflower seeds, tuna, poultry, potato, cottage cheese, liver (B3).