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This material is supplied exclusively as a laboratory reference compound
Understanding Concentration Variations B12 injections come in different strengths, like 1000 mcg/mL, 500 mcg/mL, and more
Bigger vials = lower price per vial
Common symptoms can include : Tingling / numbness in hands/feet Tiredness, exhaustion, significant fatigue Brain fog, impaired thinking and memory Flaking nails, dry skin Shortness of breath Dizziness, difficulty with co-ordination, vertigo Fluctuating weight, gastrointestinal symptoms/poor digestion Irritability, problematic sleep, depression, low libido, mood swings Diagnosing Pernicious Anaemia Due to often slow-growing, generalised symptoms, PA is often overlooked and many can be without treatment for years