Vitamin B12 is necessary for normal function of the brain and nervous system and the formation of blood cells
To qualify, adults must meet one of these criteria: A BMI of 30 or higher (classified as obesity), or A BMI of 27 or higher with at least one weight-related condition such as hypertension, type 2 diabetes, dyslipidemia, or sleep apnea
Common side effects include nausea, gastrointestinal discomfort, and constipation
One key challenge: tirzepatide is rapidly degraded by proteases in oral tissues, meaning even absorbed molecules may lose potency before reaching target receptors in the brain and pancreas
Medications are compounded and dispensed by a state-licensed pharmacy
Each type varies in how its dosed, how long it works, and how people respond to it