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It can be prescribed by a licensed practitioner and compounded by a 503A pharmacy for individual patients, though the regulatory landscape has been evolving
Gastrointestinal issues: Conditions such as Crohn's disease, celiac disease, and irritable bowel syndrome (IBS) can damage the digestive tract making it harder for the body to absorb nutrients, including B12
Legality: Research chemical in most countries
Current cost ranges from $150-300 monthly through qualified telehealth providers in 2026
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