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The peptide did not produce adverse metabolic effects associated with full-length growth hormone, including insulin resistance, glucose intolerance, or IGF-1 elevation

Perhaps most notably, the researchers observed no adverse effects even at high doses

This vitamin is involved in forming DNA and red blood cells, as well as necessary for brain function, heart health, energy production, and more ( Its found naturally in many animal products and sometimes added to fortified foods ( Vegans, vegetarians, older adults, and people with digestive issues that can interfere with nutrient absorption may be at a higher risk of vitamin B12 deficiency and need to supplement ( summary Vitamin B12 is a water-soluble vitamin involved in several aspects of health, including DNA synthesis, red blood cell formation, and brain function

Stomach acid is crucial because it helps separate B12 from the protein its attached to in food