The Role of B12 in Metabolism Vitamin B12 helps convert fat and protein into energy, supporting healthy metabolic function
Over the past 20 years, a few dozen preclinical studies (meaning research conducted in animals or cells and not in human trials) have yielded potentially promising data suggesting that the peptide can fight inflammation and promote protein synthesis and angiogenesis (the fancy scientific term for the process by which your body produces new blood vessels)
Detoxification: It helps in eliminating the toxins present in the liver, which causes dullness of the skin
Orlowski, M
Also, high-dose B12 has been linked to acneiform eruptions in some case reports and reviews (Bahbouhi et al., 2023) as described in the PubMed record
This is why women in Pakistan, aged around 20s and 30s, begin noticing dullness, uneven skin tone, and hyperpigmentation