Mental Clarity and Mood Elevation Low B12 is linked to brain fog, irritability, and even depressive symptomsespecially in people following low-calorie diets
Some symptoms of hangovers include weakness, nausea and vomiting, headaches, dizziness and shakiness, increased heart rate, and impacted sleep and concentration
References: Yue X, Liu SL, Guo JN, et al
Some common side effects include: Mild nausea Stinging Swelling Burning Some serious side effects may include: Dizziness Drowsiness Slow/shallow breathing Mental/mood changes (such as confusion/nervousness) Shaking Seizures Vision changes (double vision/blurred vision) Ringing in the ears Fainting Pale/bluish/grey skin Fast/slow/irregular heartbeat Although allergic reactions are rare, seek immediate medical attention if you experience any of the following: Rash Itching Swelling of the face, tongue or throat Severe dizziness Trouble breathing Storage Store at controlled room temperature