B12 pro-tip: 1 bottle of Paulaner Weißbier (german alcohol-free wheat-beer) has 50% of the daily requirement of B12. Don't know how common it is outside of Germany but maybe you can find
Amazon.com: Naturments Vitamin B12 5000 mcg Organic Liquid Drops: Energy & Nerve Support- Vegan Alcohol Free, Non-GMO, Sugar Free 2 Fl Oz : Health & Household
Vitamin B12 5000mcg Alcohol Free – Mind & Body Connection
Association between neuropathy and B‐vitamins: A systematic review and meta‐analysis - Stein - 2021 - European Journal of Neurology - Wiley Online Library
Vitamin B12 deficiency in the elderly: is it worth screening? | HKMJ
Can you really banish festive hangovers with a pill? | Health | Get The Gloss
Herb-Science 16oz Super B Complex Vitamins with Vitamin C Liquid, Alcohol-FREE ALL Vitamins B Including B1, B2, B3, B5, B6, B7, B9, B12, Folic Acid, Niacin, Biotin. Vitamin B-Complex - Walmart.com