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If you have transient low levels of Vitamin B12 due to diet and lifestyle, you can still benefit from restorative B12 booster shots to improve fatigue, mood, and motivation as a pick-me up and supplementation for the lack of B12 in your diet
The duration of the effects varies by individual, depending on their health needs and lifestyles
In sharp contrast, someone whose deficiency is purely diet-related might just need a short series of shots to replenish their stores before they can switch to high-dose oral supplements
The absence of cardiovascular effects, blood sugar impacts, or hormonal disruption means many concerns relevant to older adults are not applicable here
Recombinant human insulin-like growth factor-I treatment inhibits gluconeogenesis in a transgenic mouse model of type 2 diabetes mellitus