b12 injection how fast does it work The Truth About Injections: Benefits, Cost & They B12 Injections for Weight Loss:

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These are usually mild and go away over time

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The symptoms of a vitamin B-12 deficiency may include: Fatigue, weakness Memory loss Depression Confusion Insomnia Shortness of breath Poor sense of balance Vision problems Diarrhoea or constipation Loss of appetite Cognitive functioning problems Beefy, red, smooth and sore tongue Sore mouth and/or bleeding gums Numbness and tingling of hands and feet Loss of hearing and tinnitus Pale, possibly yellowish pallor in light-skinned individuals

Vitamin B12 is an essential nutrient that plays a critical role in the health of your brain, nerves, and blood cells