2 The British Society for Haematology recommends intramuscular vitamin B 12 for severe deficiency and malabsorption syndromes, whereas oral replacement may be considered for patients with asymptomatic, mild disease with no absorption or compliance concerns
However, in very rare cases, some people can experience side effects caused by allergic reactions or sensitivity ( If you experience any side effects, speak with your doctor
Because these conditions prevent adequate oral uptake, intramuscular injection bypasses the digestive system entirely and delivers B12 directly into muscle tissue for reliable absorption
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They are quite irritating, however, the use of vitamin b1, b6 and b12 injection can effectively reduce and relieve these symptoms
I will order again