[PMC free article: PMC10765711] [PubMed: 38172996] 37
Vitamin B12 overdose Symptoms: Headache Nausea and vomiting Bloating Diarrhea Fatigue and weakness Tingling in hands and feet Dizziness Itchy, burning skin Acne High blood pressure There are few studies for vitamin B12 overdose, but some medical experts suggest potential harm from B12 overload: May increase the risk for heart attack and stroke Too much vitamin B12 and folate during pregnancy may increase the risk of autism in offspring Could increase the risk for cancer May shorten lifespan High C-reactive protein (CRP) combined with vitamin B12 overload decreases the survival of cancer patients Its unlikely that high vitamin B12 can occur without the overuse of high-efficiency oral or injectable B12
The consumer is asked to take the claims of purity as proof, while the peptide-related impurities that concern regulators remain invisible to the end user
In this months blog post our CEO, Katrina Burchell, looks at how NICE Guidelines should improve things for patients with a review of how NICE is supposed to work and a summary of what the Pernicious Anaemia Society and others have been doing since the publication of the Guideline on B12 deficiency in over 16s in March 2024
For these patients, oral supplements may not be effective, and thats where B12 injections can make a difference
Magnesium reduces the symptoms of migraines, but its also proven effective in preventing tension and cluster headaches