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What is a Vitamin B12 injection and why is it recommended?+ Vitamin B12 injections provide a quick and effective way to increase B12 levels, especially for individuals who have difficulty absorbing it through diet or supplements
Most people notice a small boost in energy within a few days, but it can take 12 weeks to feel a clear and steady improvement
People with active cancer or history of cancer within 5 years should avoid use because growth factors and angiogenesis promotion could theoretically affect tumor growth
In these cases, B12 injections provide a direct and effective method to restore healthy vitamin levels
Phase 2 trial results by dose (48 weeks) Phase 3 TRIUMPH-4 results (68 weeks) The phase 3 TRIUMPH-4 data, released in early 2026, confirmed and exceeded the phase 2 results
