injection of b12 What Are Injections? And Are They Safe? Vitamin B12 Injection - We

Other side effects are rare but may include: constipation, stomach pain, headache, fatigue, indigestion, dizziness, abdominal distension, belching, gas build-up, and low blood sugar in patients with Type 2 diabetes

Who should consider getting Vitamin B12 injections

However, high doses of vitamin B12, such as those used to treat a deficiency, might cause: Headache Nausea and vomiting Diarrhea Fatigue or weakness Its important to note that these side effects are generally mild and temporary

For milder cases, you might see subtle boosts in energy, brain fog reduction, and mood lifts within the first week or two

Comparing Oral, Sublingual, and Injectable Efficacy Vitamin B12 comes in oral, sublingual, and injectable forms

[1] However, any pronounced color change (for example, turning brown) or development of a precipitate should be treated with caution