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Weight loss and metabolism Some studies suggest that higher vitamin B12 levels may protect against obesity or being overweight

In the first 2448 hours, some patients experience what is sometimes described as a 'boost' in energy levels or improved mental clarity

While symptoms like fatigue and brain fog resolve relatively quickly, nerve-related issues (such as numbness or tingling) may require six weeks to six months for full recovery

Relax your thigh muscle by sitting down

You can also report side effects directly via the Yellow Card Scheme at yellowcard.mhra.gov.uk

The repair and regeneration of nerve fibers is a long process