Who have Memory loss with Vitamin b12 - from FDA reports


Memory loss is found among people who take Vitamin b12, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Vitamin D3, and have Multiple sclerosis. This study is created by eHealthMe based on reports of 50,965 people who have side effects when taking Vitamin b12 from FDA, and is updated regularly.

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On Jan, 13, 2019

50,965 people reported to have side effects when taking Vitamin b12.
Among them, 1,308 people (2.57%) have Memory loss


Number of reports submitted per year:

Could Vitamin b12 cause Memory loss?

Time on Vitamin b12 when people have Memory loss *:

  • < 1 month: 50 %
  • 1 - 6 months: 25 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 25 %

Gender of people who have Memory loss when taking Vitamin b12 *:

  • female: 73.75 %
  • male: 26.25 %

Age of people who have Memory loss when taking Vitamin b12 *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.11 %
  • 20-29: 2.23 %
  • 30-39: 7.64 %
  • 40-49: 13.06 %
  • 50-59: 23.67 %
  • 60+: 53.29 %

Top conditions involved for these people *:

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 279 people, 21.33%
  2. Pain: 124 people, 9.48%
  3. High Blood Cholesterol: 117 people, 8.94%
  4. High Blood Pressure: 114 people, 8.72%
  5. Depression: 84 people, 6.42%
  6. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 77 people, 5.89%
  7. Stress And Anxiety: 75 people, 5.73%
  8. Gait Disturbance: 74 people, 5.66%
  9. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 65 people, 4.97%
  10. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 63 people, 4.82%

Top co-used drugs for these people *:

  1. Vitamin D3: 331 people, 25.31%
  2. Vitamin D: 326 people, 24.92%
  3. Fish Oil: 165 people, 12.61%
  4. Vitamin C: 158 people, 12.08%
  5. Ampyra: 152 people, 11.62%
  6. Lyrica: 143 people, 10.93%
  7. Calcium: 140 people, 10.70%
  8. Magnesium: 121 people, 9.25%
  9. Synthroid: 114 people, 8.72%
  10. Cymbalta: 110 people, 8.41%

Top other side effects for these people *:

  1. Weakness: 250 people, 19.11%
  2. Dizziness: 213 people, 16.28%
  3. Fall: 209 people, 15.98%
  4. Nausea (feeling of having an urge to vomit): 181 people, 13.84%
  5. Pain: 177 people, 13.53%
  6. Stress And Anxiety: 168 people, 12.84%
  7. Headache (pain in head): 165 people, 12.61%
  8. Gait Disturbance: 158 people, 12.08%
  9. Feeling Abnormal: 154 people, 11.77%
  10. Confusional State: 153 people, 11.70%

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study



Do you have Memory loss while taking Vitamin b12?


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Browse by gender and age

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+


Browse all side effects of Vitamin b12
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What would happen?

Predict new side effects and undetected conditions when you take Vitamin b12 and have Memory loss


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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

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