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Medication interactions : Certain medications, such as metformin and some heartburn drugs, can interfere with B vitamin absorption

Important Safety Information Contraindications: Active cancer or malignancy (use only with medical supervision) Pregnancy or breastfeeding (insufficient safety data in these populations) Known allergy to peptide compounds Severe uncontrolled medical conditions without physician oversight Monitoring recommendations: While intensive monitoring is not required as with growth hormone, baseline and periodic assessment of body composition, basic metabolic panel, and general health markers ensures optimal results and safety

Scientific Relevance and Research Applications

It is important to stress that insufficient levels of B12 raise susceptibility to infections and diseases, and are very harmful to the nervous system which in turn can cause neurological disorders and severe and sometimes irreversible nerve damage