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If you or a family member has a history of Lebers Optic Neuropathy, do not take B12, as it may cause permanent vision loss
Trouble focusing or memory lapses: With too little B12, your brain clouds up, making it hard to stay sharp or hold onto thoughts clearly
The purchaser represents and warrants that they are qualified to handle research chemicals and will use this product in compliance with all applicable laws, regulations, and safety guidelines
If you consume these products regularly, they can contribute to elevated levels without you realizing it
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