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Among those who felt they needed to self-medicate, the main reasons given were to improve fatigue and to reduce brain fog and pins and needles
Side effects from B12 supplementation are uncommon but may include: Mild gastrointestinal symptoms such as nausea or diarrhoea, typically with very high oral doses Headache or dizziness in some individuals Skin reactions (rash, itching) at injection sites when using intramuscular preparations Rare but serious allergic reactions, including anaphylaxis with injectable forms Hypokalaemia (low potassium) may occur during rapid correction of severe megaloblastic anaemia If you experience symptoms of a severe allergic reaction (difficulty breathing, severe rash, swelling of face or throat) after taking B12, seek immediate medical attention
Reduced-calorie diet combined with NNMT inhibition normalizes liver pathologies vs diet alone
Might help male infertility Early research shows that taking B12 supplements might help improve your sperm's ability to move and raise your sperm count
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