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Yes, 3000mg per day is generally considered safe for healthy individuals when taken as directed
Depending on the dosage, some individuals experience immediate and noticeable effects as soon as the B12 starts to infuse, feeling a sense of clarity and energy
You might notice your energy and mental clarity improving first, sometimes within just a few weeks
J Biol Chem (1948) 174:55564
What to expect: Systemic anti-inflammatory effects are often noticed within 12 weeks
Why choose intramuscular vitamin injections over oral vitamins
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