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Vitamin B12 injections work quickly and efficiently by bypassing the digestive system and delivering the nutrient directly into the bloodstream, making them an excellent choice for those with absorption issues
These shots are designed to support brain function, nerve health, and red blood cell production
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Slightly more nerdy answer: because peptides are small, they can bind directly to cell receptors and trigger specific biological effects
As an additional example to that of the trefoil peptides noted above, the peptide EGF (epidermal growth factor) is produced in human milk to promote growth of the gastrointestinal tract in newborn infants, but the same peptide aggressively stimulates the growth of breast cancer cells in adults
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