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unpaired (two sided) t-test
There are currently four theories about the mechanism by which vitamin B12 deficiency causes neurological disorders [87,88,89]: (i) vitamin B12 exists in two active forms, methylcobalamin and adenosylcobalamin
Research indicates that cigarette smokers, diabetics, alcohol drinkers, and individuals with digestive problems are also prone to being B12 deficient
doi: 10.1016/0014-5793(87)81430-8 89 MullerTDFinanBBloomSRDAlessioDDruckerDJFlattPRet al
The tripeptide has a strong natural affinity for copper (II) ions, similar to the copper-transport site on human albumin, and readily forms the stable GHK-Cu complex
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