Vitamin B12 Overdose

Concerned about vitamin B12 overdose? The response to this, as you will see, is not complicated....

b 12The Bottom Line

There have been no reported cases of vitamin B12 overdose.

Is there anything else that needs to be said? Possibly.

Using supplements of any B vitamin over a very long period of time could result in a significant reduction of others. This caution was published by registered pharmacist Earl Mindell, PhD, in the 1985 edition of Vitamin Bible, however, he did not cite any specific reference for this.

It would seem, that only if a person has been on a long program of exclusive B vitamins supplementation that there might be cause for further investigation.

The Good Side

Now that you can rest assured about concerns of any vitamin B12 overdose you may wish to review the benefits of this vitamin.

The most generally observed result people notice is increased energy and improved mood. Concentration seems easier as does the ability to focus and to stay awake. This is definitely an anti-stress vitamin, and it is frequently prescribed for stress reduction.

Vitamin B12 is also used for the prevention of anemia and maintaining healthy blood, nerves and brain cells. It is essential for healthy metabolism. It is required to convert food to energy. It is beleived it may lower homocysteine levels and a help decrease the risk of heart disease.

  • increased energy

  • improved mood

  • Easier concentration

  • Ability to focus

  • Less Fatigue

  • Reduced Stress


Supplements of this vitamin are often prescribed for chronic fatigue, Alzheimer’s, depression, HIV-AIDS, Inflammatory Bowel Disease, asthma, allergies, bursitis and dry skin. It seems as if it is useful for just about anyone.

The benefits of vitamin B12 seem to be greatly enhanced when it is combined with potassium, B6 and vitamin C. These, in turn, work best when combined with various other nutrients. The best daily multi nutrient combinations will have taken into account the combination which works best and will included everything to meet those needs.

In summary, if you've been concerned about the possibility of a vitamin B12 overdose, be assured that it is not likely but if you are experiencing any unusual symptoms, be sure to consult a health-care professional.

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