People who have diabetes or have used a diabetes drug in the previous 120 days have an additional requirement: they must try and fail treatment on one of the preferred diabetes treatment versions of the weight loss drugs, or another preferred diabetes drug in the same drug class (GLP-1 receptor agonists)
For example, the bioavailability of vitamin B12 appears to be about three times higher in dairy products than in meat, fish, and poultry, and the bioavailability of vitamin B12 from dietary supplements is about 50% higher than that from food sources
Appetite effects typically begin at 4mg and above
Luan M, Liu J, Liu Y et al (2018) Vacuolar phosphate transporter 1 (VPT1) affects arsenate tolerance by regulating phosphate homeostasis in Arabidopsis
Medicare does cover GLP-1s for FDA-approved uses other than weight loss, including type 2 diabetes, reducing cardiovascular risk and obstructive sleep apnea
Scherer, M