Grandma's Vitamin B12 Guide

Vitamin B12 is needed to prevent anemia. It aids folic acid in regulating the formation of red blood cells, and helps in the utilization of iron. This vitamin is also required for proper digestion, absorption of foods, the synthesis of protein, and the metabolism of carbohydrates and fats.

This B vitamin also aids in cell formation and cellular longevity. In addition, Vitamin B12 prevents nerve damage, maintains fertility, and promotes normal growth and development by maintaining the fatty sheaths that cover and protect nerve endings.

Cyanocobalamin is linked to the production of acetylcholine, a neurotransmitter that assists memory and learning.

A Vitamin B12 deficiency can be caused by malabsorption, which is most common in elderly people and in those with digestive disorders.

Vitamin B12 deficiency can cause:

  • abnormal gait
  • chronic fatigue
  • constipation
  • depression
  • digestive disorders
  • dizziness
  • drowsiness
  • enlargement of the liver
  • eye disorders
  • hallucinations
  • headaches
  • inflammation of the tongue
  • irritability
  • labored breathing
  • memory loss
  • moodiness
  • nervousness
  • neurological damage
  • palpitations
  • pernicious anemia
  • ringing in the ears
  • spinal cord degeneration

Strict vegetarian diets may not see signs of the deficiency for some time-the body can store up to five years worth of Vitamin B12---signs will eventually develop.

a photo of a plate of pasta and sauce with seafood a natural source of Vitamin B12 a photo of a steak dinner a natural source of Vitamin B12 a photo of a bowl of cooked soybeans a natural source of Vitamin B12

Natural Sources of Vitamin B12


  • brewer's yeast
  • clams
  • eggs
  • herring
  • kidney
  • liver
  • mackerel
  • milk and dairy products
  • seafood

The B12 Vitamin is not found in many vegetables; it is available in sea vegetables, such as dulse, kelp, kombu, and nori, and soybeans and soy products.

Herbs rich in B12 Vitamin:

  • alfalfa
  • bladderwack
  • hops


Anti-gout medications, anticoagulant drugs, and potassium supplements may block the absorption of this vitamin from the digestive tract. Vegetarians need supplements of B12 Vitamins because it is found mostly in animal sources.


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