b12 injection sites on body Vitamin Sites: All You Need to Know What Happens If You Inject

B12 supports the immune system, helping you stay healthy year-round

It operates more than 50 locations in 34 counties providing urgent care and occupational health as well as primary care at select locations

Tablets just as effective Over-the-counter B12 tablets are a fraction of the cost of shots, and have been shown in a British-Canadian study to work just as well for most people, although some people with digestive conditions may have difficulty absorbing the vitamin in tablet form

A deficiency can make daily tasks feel exhausting

Contraindications include: Sulfa allergy, due to potential sensitivity to methionine derivatives