- Canned fish have the most B-12, so enjoy a tuna sandwich for a meal rich in this essential vitamin.

- For vitamin B12 the daily requirement is just 0.0015mg. If you are taking a vitamin supplement for your vitamin B12 intake you can take up to 2mg and should not suffer any ill effects as a result.

- Whether you are looking at vitamin B12 for energy, metabolism, weight loss, or all three, there is evidence of it all.

- For pancreatic cancer specifically, vitamin B can help to prevent it, but only if it is consumed in its natural state in regular food.

- Sublingual Vitamin B12 is a key nutrient for anyone who is anemic, suffers from digestive disorders, or is a vegetarian.

- Vitamin b12 is important to the maintenance of the central nervous system and in the production of red blood cells in the body.

- A vitamin B12 deficiency can lead to anemia, damage to the nervous system including the brain, and cause abnormalities in growth.

- Of all the vitamins, A, D, E and K are the only ones that are fat-soluble.

- Vitamin B1, known as thiamine, is vital for breaking down carbohydrates into glucose and promotes the nervous system.

- Vitamin B12 is water-soluble. This means that whatever your body doesn’t immediately need, it stores, and then excretes.

- Vitamin B12 can be found in such foods as shellfish, eggs and cheese, but not in vegetables.

- Supplements containing all 8 B vitamins are called B-complex supplements.

- If you can stomach it, animal liver has almost 1500% of the Recommended Daily Allowance of Vitamin B-12.

- Deficiencies in this vitamin can result in anemia, fatigue, gastric problems, heart palpitations, cardiovascular disease, dementia, low energy, weakness, loss of appetite, weight loss and other symptoms.