Iron deficiency and B12 deficiency both cause anemia. But the treatment is COMPLETELY different. Taking iron for B12 deficiency? Won't work. Taking B12 for iron deficiency? Won't work. Swipe to learn the Vitamin B12 Boosters Vitamin B12 Injection Effect Doctor London, KSA Sarah B12 INJECTIONS Boost your energy. Support your body. Feel your best. Vitamin B12 is essential for energy production, metabolism and nervous system health. If you've been feeling tired, Understanding The Benefits of B12 Shots for Weight Loss B12 Shots for Energy: Do They Work, Who Needs Them & What to Expect Greenwich Medical Spa