B12 isa complex vitamin that is most often found naturally in foods like meat, eggs, dairy, and some fortified foods, so it can sometimes be difficult to achieve high enough levels of B12 if you do not regularly eat these foods
Those who've had certain surgeries: Gastrointestinal surgeries may reduce intrinsic factor production, limiting B12 uptake from food or oral supplements
GHK-Cu is among the peptides removed from Category 2 in 2026 and is used in some compounded and topical formulations
If patients who are immunocompromised are at high risk for disease but do not have fever or bloody stools, testing should be considered, especially during an outbreak
Shortening of the pharynx removes the recesses formed by the valleculae and piriform sinuses, and peristalsis of the pharyngeal muscles pushes the bolus posteriorly to the UES, which mainly consists of the cricopharyngeus muscle
Phentermine, GLP-1, and Dual Therapy Note: This chart is conceptual and illustrative
