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Vitamin B12 shots are usually deep intramuscular injections every 2-3 months in large muscles
Optimal Injection Windows Post-Workout (Highest Priority): Resistance training creates an acute spike in growth hormone and temporarily increases IGF-1 receptor sensitivity in worked muscles
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Choose oral supplements if youre looking for long-term maintenance or prefer a less invasive option
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Cent Nerv Syst Agents Med Chem
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