Could the 'energy' jab be bad for you? - Daily Mail 4th December 2007

Vitamin B12 jabs have become almost de rigueur for the rich and famous, with everyone from Geri Halliwell and Robbie Williams to actress Charlize Theron and Tara Palmer-Tomkinson reportedly swearing by the energising effects of the treatment. It's claimed that mega-doses of vitamin B12 - sometimes up to 600 times the daily 1.5mcg recommended by health authorities - provide a sustained energy rush lasting up to two weeks.

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