Brain Chemicals : Vitamin B12 is involved in catalyzing and producing neurotransmitters for cell to cell signaling such as dopamine and serotonin, which are critical for brain function and mood regulation.(1) Learn more about nootropics for neurotransmitters Brain Protection : Vitamin B12 helps form myelin, the fatty sheath that protects and optimizes communication between all neurons in the brain.(2-4) Brain Energy : B12 supports cell energy metabolism throughout the body, including within brain cells.(5) Brain Blood Flow : B12 plays a role in balancing homocysteine that damages blood vessels

Heres why: Vitamins B1, B2, B3 (Thiamine, Riboflavin, Niacin) Needed for energy production Help the body process carbohydrates, fats and proteins Support the nervous system and mitochondrial function Niacinamide (a form of B3) is also used topically for acne due to its anti-inflammatory benefits Symptoms of deficiencies may include: Fatigue Cracked corners of the lips Inflammation of the tongue (glossitis) Skin problems like dermatitis Note: High doses of certain forms of niacin can trigger flushing, which may feel like its worsening skin conditions like rosacea
The severity of the deficiency, any health conditions, and how well the treatment works are all important
After you have sterilized the injection area, do not touch the injection site
Its not about what the bottle says its about what the blood shows