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[DOI] [PMC free article] [PubMed] [Google Scholar] 62.Shojaei F., Wu X., Malik A.K., Zhong C., Baldwin M.E., Schanz S., Fuh G., Gerber H.-P., Ferrara N

GHK-Cu applied to thigh skin for 12 weeks improved collagen production in 70% of women treated compared to 50% treated with vitamin C cream and 40% with retinoic acid

As a result, plant-based foods do not naturally contain Vitamin B12 unless they have been fortified or contaminated with Vitamin B12-producing microorganisms

In a 2020 study, researchers found a close link between Vitamin B12 deficiency and cognitive impairment showing that replacement therapy could be a strong option for improving patient cognitive outcomes

This leads to acetaldehyde accumulation and a condition known as the alcohol flush reactionfacial flushing, nausea, and discomfortwhich discourages heavy drinking and is thought to have a protective effect against AUD