B12 shot for hangover: Do they really work
10.1080/088800199277489 3 ArcanP.BozkurtO.CavusogluD.GencpnarP.HaspolatS.DumanO.et al (2020)
It is the cheapest but most stable form of B12
Many thanks to everyone at New Med Spa
In a long-term randomized, double-blind, placebo-controlled study among sufferers of cerebrovascular accidents at high risk of depression, daily supplementation with 2 mg of folic acid, 25 mg of vitamin B6, and 500 g vitamin B 12 significantly lowered the risk of major depressive episodes during a seven-year follow-up period compared to placebo (111)
If you're a vegetarian who eats dairy, you can probably get enough B12 from eggs, milk, and other dairy products