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.
Boron. To ensure you have enough boron in your diet consume a variety from among the following food sources: almonds, walnuts, avocados, broccoli, potatoes, pears, prunes, honey, oranges, onions, chick peas, carrots, beans, bananas, red grapes, red apples and raisins.ccording to Health Vitamins Guide, the best sources for B vitamins include: spinach, green peas, mushrooms, eggs, kale, broccoli, poultry, shellfish, potatoes and tomatoes. Benefits include helping to break down carbohydrates, fats and proteins into energy, health of eyes, skin and hair and maintaining muscle tone.