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Pernicious anemia, which is an autoimmune condition that affects the bodys ability to absorb vitamin B12 Certain medications that can interfere with the absorption of vitamin B12, such as metformin, proton pump inhibitors, and H2 blockers
The Age Gap: A recent 2023 study highlights a critical reality of aging: our natural levels of GHK decline sharply over time
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Oncotarget 8 (41), 69493 (2017)
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