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Evening use may be more likely to disrupt sleep, but this has not been tested in a controlled human study
Before-and-after claims : diet, training, other compounds, lighting, and selection bias can all change the picture
Risks include: Age: Older folks might not absorb B12 as well
Major health organizations do not recommend B12 for weight loss in healthy individuals
Chang emphasizes that selecting the most appropriate location can make a significant difference in how quickly and efficiently the body absorbs the vitamin
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