how low does b12 have to be for injections Are Vitamin Shots Right You? Oral vs. Intramuscular Vitamin B12

How Long Does B12 Injection Last

Heart Palpitations or High Blood Pressure Heart palpitations Increased heart rate Elevated blood pressure Signs and Symptoms of B12 Overdose signs and symptoms of B12 overdose may include: Skin rash or acne Headaches Nausea or diarrhea Anxiety or restlessness Heart palpitations High blood pressure Trouble sleeping How Much Vitamin B12 Is Too Much

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A: People with diagnosed B12 deficiency, poor nutrient absorption, restrictive diets like veganism, or age-related absorption decline benefit the most from B12 injections

recommended daily allowance (RDA) is: 2.4 micrograms (mcg) per day Certain groups may require higher intake, including: Pregnant women: 2.6 mcg daily Breastfeeding women: 2.8 mcg daily Older adults Vegetarians and vegans Individuals with absorption issues 500 mcg to 5000 mcg , which is significantly higher than the RDA but still generally considered safe when medically supervised