Report of the panel on dietary reference values of the committee on medical aspects of food policy
Reported benefits (per available research): Studied in rat full-thickness wound models for accelerating skin repair, with one study reporting reepithelialization increased by up to 61% over controls by day 7, along with greater wound contraction and collagen deposition (Malinda et al., animal study, 1999) Studied in rodent models of ischemic myocardial injury for reducing post-infarct scarring and supporting cardiac tissue repair
Over time, preclinical research expanded into tendon, ligament, muscle, and bone healing, which is why it became popular in recovery-focused peptide therapy
If I understand rightly you haven't an absorption problem.So once on supplements or a richer B12 diet you can store and utilise b12 from your liver
In the UK, most B12 supplements are regulated as food supplements rather than medicines