Calls for a GLP-1 taper protocol are not supported by a completed, peer-reviewed randomized human comparison of planned off-ramps
While spirulina, dried nori, barley grass and most other seaweeds contain some B12 (dirt even contains some), consuming these foods hasnt been shown to provide enough B12 to vegans
For weight loss alone, most private plans and Medicare deny coverage or require strict prior authorization and BMI thresholds
Some, however, including certain birds, guinea pigs, bats, primates, and humans, lack the necessary biosynthetic apparatus and must acquire vitamin C through external sources, i.e., diet