Common symptoms include: Fatigue or unexplained weakness Dizziness Pale or jaundiced skin Heart palpitations and shortness of breath Nerve problems like numbness or tingling, muscle weakness, and problems walking Vision loss Cognitive problems like memory loss, changes in mood, or behavioural changes Causes of Vitamin B12 Deficiency Vitamin B12 deficiency can result from a variety of factors, including: Lack of Dietary Sources : B12 is naturally found in animal products such as fish, meat, poultry, eggs, milk, and milk products
Best choice for 10 mg vials: 2 mL gives you the versatile 5 mg/mL concentration
What we do know is that the frequency of these diseases has increased significantly over the last 75 years, particularly in highly-developed first-world countries, suggesting that some part of our modern lifestyles may be responsible
People with vitamin B12 deficiency may feel tired and lethargic and have decreased physical energy