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Vitamin B12 injections can: Increase energy levels and combat fatigue Speed up metabolism Help improve sleep patterns Increase concentration Improve mood Boost the immune system Help with weight loss Possibly help with hair growth or stop hair loss There is no upper limit for the intake of vitamin B-12 because the risk of toxicity or overdose is extremely low
However, with direct injection, if you do not need the additional B12, it may result in high levels in your blood that can cause side effects including gastrointestinal issues, headache and dizziness, tiredness and weakness, or skin irritation until the excess is flushed out via your kidneys and urine
But which one is right for you
Correcting a true B12 deficiency can improve energy and exercise capacity, which may indirectly help with diet and training
There is nothing to see in a mirror yet, and that is expected, this is metabolic support, not a cosmetic change
Theyre beneficial
