Possible adverse effects may include: Injection site reactions : Redness, swelling, irritation, or discomfort Gastrointestinal symptoms : Nausea, vomiting, stomach cramps, or diarrhea Headaches or dizziness Allergic reactions : Rash, itching, shortness of breath, or facial swelling (rare) Increased heart rate or anxiety (typically temporary from B-vitamins) Fatigue or weakness if used improperly Elevated liver enzymes when taken in excess particularly with methionine or choline Insomnia if taken late in the day due to increased energy levels Who should avoid or use caution
While this argument looks great on paper, it has yet to be established that B12 levels in those without a deficiency are ever a bottleneck for protein synthesis. If youre wondering why you see B12 in your BCAAs, this is probably it
Within a couple days after receiving B12 injections, patients often report an increase in their energy and stamina levels
This is generally not recommended
Meganeuron 500 mcg Injection 1 ml falls under the therapeutic category of vitamin supplementation and is particularly beneficial for individuals with deficiencies in vitamin B12
