b12 supplement or injection VetOne Vitamin B-12 3000 mcg/mL Injection, 100 ml 12 Also helps prevent and treat symptoms associated with a vitamin B The Truth About B12 Injections:

When to increase dose Consider increasing if: Minimal response after 4-6 weeks at current dose No side effects at current dose Current dose below the higher end of recommended range Goals not being met with conservative approach Increase gradually, typically by 25-50% at a time

If your diet lacks B12 or you prefer not managing daily pills, injections could be more convenient, and vice versa

Meanwhile, overall aging indicators were significantly improved: locomotor activity and endurance were enhanced, hair gloss increased, levels of aging-related inflammatory factors (such as TNF-, IL-6) decreased, and the average lifespan of mice was prolonged

What dose was used in trials

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Semaglutide has a more favorable tolerability profile overall