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Vitamin B12 Supplementation in Diabetic Neuropathy MDPI article: Investigates daily methylcobalamin in type 2 diabetes neuropathy patients with B12 deficiency

Novel delivery systems: Explore novel delivery systems such as liposomes and nanoparticles to enhance the retention time of polypeptides in the skin and improve their therapeutic effects

Through accelerated testing and long-term sample retention observation, the degradation of the product under high temperature and high humidity conditions is evaluated to ensure the stability of its quality within the validity period

FEBS Lett (2011) 585(12):19638

Stop solution (50 L) was added, and the OD value of each well was measured at 450 nm within 15 min

But some studies do show that taking vitamin B supplements helped improve appetite
