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A vitamin B12 deficiency can lead to pale skin and yellowing of the skin, called jaundice

PubMed laboratory research record [PMID: 32688453] PubMed record related to this compound for laboratory literature review

However, long-term use of high concentrations, large-area topical applications, or injectable administration may increase the potential risk of copper accumulation in skin tissues

These modulatory effects of L-carnitine tartrate were seen only in response to the exercise-induced inflammation challenge 5

Figure 5C, D demonstrate notable changes in metabolites such as Adenosine, gamma-Aminobutyric acid, and Vitamin K within the ATX group