For comprehensive peptide refrigeration guidelines , including how to assess whether stored peptide has degraded, and for guidance on powder-form shelf life , the full storage guides cover these topics comprehensively
Good sources include: Meat (especially liver and kidney) Fish (salmon, trout, tuna, sardines) Shellfish (clams, mussels) Eggs Dairy products (milk, cheese, yoghurt) Fortified foods (breakfast cereals, plant milks, nutritional yeast) The recommended daily intake for adults is 2.4 micrograms
Daily B12 shots are usually not needed unless advised by a doctor for severe deficiency
alcohol dehydrogenase and more importantly Acetaldehyde are the issues i took NAC (Jarrows 600 mg sustained release, on amazon) 3X daily for about 10 days prior to having an alcoholic beverage and my reaction (feeling very drunk from 2-3 drinks which lasted hours on end, poor sleep, horribly hungover) was gone
Pema et al, 1998), severe neuropsychiatric symptoms (Lundin etal, 2019), combined degeneration of the spinal chord (Lan etal, 2019