(1994) in The American Journal of Hematology, inherited genetic mutations can affect enzymes linked to vitamin B12 metabolism
How a body-water loss of just 12% measurably impairs attention, working memory, concentration and mood (Ganio 2011 in men, Armstrong 2012 in women)
Quality You Can Trust
Vitamin B12 deficiency can lead to many conditions
Expect improvements in your cognitive function, memory, and focus
Headache Mild diarrhea Mild pain or redness at the injection site Nausea Serious or rare side effects Stop taking Vitamin B12 Injection and seek immediate medical attention right away if you experience any of the following: Allergic reactions, including angioedema, hives, and trouble breathing Signs of heart problems, including swelling, rapid weight gain, and shortness of breath Signs of hypokalemia, including muscle weakness, slow or irregular heartbeat Contraindications: This is not an exhaustive list of contraindications