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Severe allergic reactions, persistent swelling, and significant changes in energy levels or mood should not be ignored
Some symptoms may not show up for a few years until the deficiency worsens and affects other parts of your body
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2a and Extended Data Fig
Our amber glass vials block 66% of light, but foil provides full protection
It's widely used in treating conditions ranging from vitamin B12 deficiencies to various nerve-related disorders
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