vitamin b12 injections used Shots at Home: How, Where & How Often to Inject Yourself B12 Shots vs. IV Infusions:

Full results tend to happen within three months

The pain subsided on days 2 and 3 and disappeared

National Junk Food Day on July 21 is basically a holiday dedicated to giving your sweet tooth, salty snack cravings, and favorite drive-thru order a little attention

But there are also some other signs unrelated to hair that may indicate a B12 shortfall: Fatigue, weakness and lack of energy Lightheadedness Pale skin Shortness of breath Heart palpitations Loss of appetite Numbness and tingling Cognitive changes like memory loss Depression Along with hair shedding, some other specific hair-related symptoms can signal low vitamin B12 levels: Thinning hair on the scalp or other body parts Dry, brittle hair prone to breaking Unusual hair texture - straight hair becoming curly or vice versa Faster graying of hair Changes to the hairline, like a widening part However, many factors beyond nutrient deficiency can also cause hair loss and premature graying

Methylcobalamin is especially important for the ~40% of people with MTHFR gene variants who can't efficiently convert cyanocobalamin to its active form