Improved Mood and Cognitive Function Vitamin B12 supports brain health by assisting in the production of neurotransmitters like serotonin and dopamine, which regulate mood and emotional well-being
otherwise, high-dose oral B12 (1,0002,000 mcg/day) usually works just as well
They mentioned weakness on one side, nightmares, dizziness, anxiety, insomnia, restlessness, numbness, nausea, muscle spasms, tingling, itching, acne, psoriasis, eczema, heart palpitations, leg cramps, blurred vision, hair loss, and not being able to concentrate or to stand noise

VitaQIK Liposomal Vitamin B12 is a quick and easy way to help: Support healthy immune system function Support energy production Support nervous system function and health Assist healthy red blood cell production Assist protein synthesis in the body Assist metabolism of macronutrients Support blood health Suitable For: vegans and vegetarians Boxed Contents: 50mL Size: 50mL KEY FEATURES Support healthy immune system function Support energy production Support nervous system function and health Assist healthy red blood cell production Assist protein synthesis in the body Assist metabolism of macronutrients Support blood health Each 1 mL dose contains: Cyanocobalamin (Vitamin B12) 500 micrograms No added sulfites, soy bean products, wheat, gluten, yeast, animal products, milk derivatives, eggs, lactose, sugars, artificial colours and flavours