l carnitine for depression iSatori L-Carnitine 1500, Triple-Blend Liquid Supplement, with Acetyl & Tartrate, Stimulant Free Energy, Low Calories, Sugar or Gluten, Keto-Friendly, Mixed Berry Flavor (24 Servings) : Health & Household A Placebo-Controlled Trial of Acetyl-L-Carnitine

So if someone is low in B12 and they consume alcohol, they not only don't have enough B12 to help 'clear away' the alcohol toxins but they also risk increasing homocysteine levels which I believe is that feeling of heat/hangover that can persist when there isn't enough B12 to reset the body

Treatment should be based on the combined symptom pattern, laboratory findings, previous nutrient reactions, medications, diet and clinical stability

A tripeptide molecule present in nearly every cell, with highest concentrations in the liver, kidneys, and lungs

doi: 10.1016/j.amjcard.2003.12.040

That poses a public health threat