which is better kojic acid or glutathione and Soap Strawberry Extract Glutathione Drip vs Kojic Acid

You could just get B12 alone and see how you react to that

This form is the most bioavailable form of ingestible Glutathione in the world

Personal Preference for Maintenance: Once acute deficiency symptoms are managed, some patients may prefer to switch to oral supplements for ongoing maintenance, again, strictly under medical supervision to ensure their levels remain stable

K.et al (1999)

Joint inflammation support: Patients with chronic joint pain, post-surgical joint swelling, or inflammatory conditions that keep flaring despite management

New founders often spend too much time worrying about technical production issues and not enough time building a coherent product identity