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(Isolated vitamin B12 deficiency is very rare)
Why it matters for body composition: Mitochondria are the powerhouses of the cell, and crucial for fat metabolism and muscle performance
However, starting in late 2023, the FDA changed its enforcement stance and restricted many commonly used peptides, including BPC-157 and TB-500
Children presenting neurological signs or symptoms, those unable to take oral medication, individuals with known malabsorption syndromes, infants under 6 months old, and patients using medications that may interfere with vitamin B12 absorption are typically treated with a parenteral protocol (1)
2019 Aug;377(2):153-159
