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As B12 is essential for the production of red blood cells and proper nervous system function, its deficiency can disrupt these processes and lead to symptoms like gastrointestinal discomfort and poor appetite, which may contribute to unintended weight loss
The mechanism is effectively identical
You should insert the needle in a quick but controlled manner
To put it in context, nicotinamide has shown signs of liver toxicity only at doses around 3,000 mg per day or higher
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