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Not getting enough vitamin B12 can cause tiredness and weakness, which can make it harder to stay active or stick to healthy habits
This can be confusing and concerning, especially when the pain is severe or persistent
Oral Vitamin B12 Supplements: Do They Work
No minimums beyond Tier 1
Each step exists for a specific reason, and skipping any one of them introduces contamination risk or dosing error
Decide in advance rather than making decisions under the influence of sunk costs or wishful thinking
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