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Because there are no vegetable sources of vitamin B12, strict vegans must supplement, consume fortified foods, or receive regular Vitamin B12 injections to avoid serious health consequences

Its not possible to copy these drugs exactly

With the exception of the FDA-approved peptides (like the GLP-1s) and a small handful with prior approval history like sermorelin, most of the popular wellness peptides currently cant be legally prescribed or compounded for human use in the United States

Furthermore, certain medications, like proton pump inhibitors for acid reflux, metformin for diabetes, and some medications for peptic ulcers or heartburn, can impair your bodys ability to process Vitamin B12

Peptides, which the body naturally produces, are chains of amino acids (the building blocks of proteins)

(STAT News, 2026