dihexa hexanoyl-tyr-ile-ahx-nh2 | 1401708-83-5 | AbMole Dihexa biochemical - MyBioSource

Some peptides are FDA-approved for specific indications (e.g., Emdogain for periodontal regeneration)

B12 injections can be beneficial if you are experiencing fatigue, muscle cramps, fatigue and weakness, mood swings, or brain fog

That is precisely why it belongs in the research peptide category, not the approved-drug category

Warnings: Patients with early Leber's disease (hereditary optic nerve atrophy) may experience severe and rapid optic atrophy when treated with vitamin B12. Additionally, treating severe megaloblastic anemia with vitamin B12 can lead to fatal hypokalemia due to increased erythrocyte potassium requirements