Do Excessive Amounts of Vitamin B12 Cause Dizziness?
If you take supplements that contain mega amounts of vitamins, you may experience symptoms of toxicity. However, not all vitamins produce this reaction.
Read more →Causes of Dizziness: Diet, Exercise & Health Conditions
What causes sudden dizziness or lightheadedness? Factors range from insulin spikes and nutritional deficiencies to positional changes and physical exertion in the cold.