what are the negatives of b12 injections B-12 Specialists in San Antonio, TX Benefits of B12 Injections for

Dose and timing should follow a confirmed deficiency and your GPs review, not a fixed course sold in advance

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Some symptoms of vitamin B12 deficiency include: Weakness and tiredness Pale or yellowish skin Loss of appetite Heart palpitations Mouth or tongue soreness Tingling or "pins and needles" sensation in your hands and feet Shortness of breath Dizziness Blurry vision Mood swings or personality changes You are more at-risk for developing vitamin B12 deficiency if you are: Pregnant Over 65 Vegan Take medicine for diabetes Take medicine for heartburn Have had surgery to remove part of your bowels Medically Reviewed on 6/23/2026 Mayo Clinic: "Vitamin B-12." National Institutes of Health: "Vitamin B12." Oregon State University: "Vitamin B12." Top What Happens if You Take Too Much Vitamin B12 Related Articles 22 Healthy Foods High in B VitaminsAny deficiency of B vitamins can lead to various health conditions

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Some of the more noted advantages include: Improved brain function More focus and better memory A less tired feeling Improved energy and mood Less depression Stronger bones Maintained weight Less hair loss and thinning Improved vision Improvement in GI issues While oral supplementation of vitamin B12 is adequate, getting a shot is quick and more straightforward than swallowing a pill daily

Higher nocturnal GH pulses increase overnight fat oxidation