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Excess vitamin B12 from supplements is not considered toxic
Common approaches include: 12 weeks on, 4 weeks off 16 weeks on, 6-8 weeks off Use only during specific fat loss phases, then discontinue Cycling provides periodic breaks that may allow the body to normalize
The Blood Project (2025 review)
Diagnostic tests are available to better determine how often a person should be receiving treatments
L., Huang, Y
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