Most patients require only a single treatment
Common side effects are rare but may include: Mild gastrointestinal symptoms such as nausea or diarrhoea (though less common with sublingual than oral routes) Headache or dizziness in some users Skin reactions, including itching or rash, particularly in individuals sensitive to cobalt (a component of cobalamin) Unlike some other B vitamins, oral B12 supplements rarely affect urine colour
Scientific Reports Dimet-Wiley et al
Key considerations for IM injections include: Using a needle of the right length to ensure the medication is delivered into the muscle Rotating injection sites to avoid muscle irritation Administering the injection at a 90-degree angle to the skin surface Subcutaneous Administration Benefits Subcutaneous injections put Vitamin B12 into the fatty tissue just under the skin
In fact, some popular vegan websites and publications hold the philosophy that vegans can meet all of their essential nutrient needs without the use of any supplements
Neuroton Injection: A similar alternative to Neurobion, Neuroton injection also contains B-complex vitamins for nerve support and metabolic enhancement