What the Evidence Actually Shows It is important to be direct about the state of evidence
In addition to the conditions mentioned above, several risk factors increase the likelihood of B12 deficiency: Smoking Alcohol abuse Endocrine-related autoimmune disorders (such as diabetes or thyroid disorders) Gastrointestinal disorders like Crohns disease History of gastric bypass surgery or other stomach-altering surgeries Optimize Your Health
Wolffenbuttel BHR, McCaddon A, Ahmadi KR, Green R Food and nutrition bulletin 2024
Based on these findings, experts suggest that a 5-amino-1MQ cycle should last about four weeks on and four weeks off, as this ensures a more cautious approach for administering the novel compound
van Mulligen E, de Jong PHP, Kuijper TM et al (2019) Gradual tapering TNF inhibitors versus conventional synthetic DMARDs after achieving controlled disease in patients with rheumatoid arthritis: first-year results of the randomised controlled TARA study
For anything you are allergic to traditional allergy testing can help a lot here