The amount needed can change based on several things
Glass capsule (ampoule) of vitamin B12 Purple needle for drawing up B12 Cleaning wipes (containing alcohol) Clean gauze or cotton wool Sharps bin Instructions Preparation Step 1 Wash your hands with soap and warm water
Vitamin B12 intake from animal foods, biomarkers, and health aspects
"Plasma fibrinogen level and the risk of major cardiovascular diseases and nonvascular mortality: an individual participant meta-analysis" (PDF)
The best sources include organ meats, shellfish (especially clams), beef, fish like tuna and salmon, and dairy products like milk, yogurt, and cheese
Symptoms of B12 Deficiency include: Weakness or fatigue Difficulty maintaining balance Cognitive difficulties, like memory loss Oral pain, especially a red or swollen tongue Tingling or numbness, especially in fingertips Distorted or blurred vision Dizziness or shortness of breath What to expect: Vitamin injections are quick and safe
