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The best way to determine your ideal frequency is through a professional assessment
Mood, food, and cognition: role of tryptophan and serotonin
Its not just about preference its all about something called intrinsic factor If your body doesnt produce enough intrinsic factor, you wont absorb B12 properly from food or tablets no matter how many you take
doi: 10.7861/clinmed.2022-0142
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Most practitioners recommend starting at 250-300 mcg daily to assess tolerance, then potentially increasing to 400-500 mcg if initial response is suboptimal and no side effects occur
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