b12 subcutaneous injection video injections UK How I give myself a vitamin Safe B12 Injection Guide at

For severe deficiencies, it can take even longer, since your vitamin stores are extremely depleted

Discuss your specific medical history with a prescribing provider

Common symptoms include: Some people also develop autonomic symptoms, such as changes in sweating, digestion, bladder function, or blood pressure

high-dose oral B12 can be effective for many causes of deficiency Sublingual (under the tongue) preparations : Though marketed as having better absorption, evidence does not show clear advantages over standard oral tablets Intramuscular injections : Prescribed for those with absorption problems or severe deficiency

People with Digestive Issues: Conditions like Crohns disease, celiac disease, or irritable bowel syndrome can interfere with B12 absorption, making injections a more effective method of getting the nutrient