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If taking oral supplements, it usually takes 2 to 4 weeks to feel a significant difference as levels build up in the body
Patience and consistency are key
Oral supplements have to pass through the digestive system and may not be absorbed efficiently, especially in people with gastrointestinal conditions like celiac, Crohns, or gastritis
Youll want to avoid areas with bones and large visible blood vessels, like the back of your hand
Keep a symptom journal to note improvements in energy, mood, sleep, or focus
B12 pills may take 1 to 3 weeks to show results
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