are b12 injections more effective than tablets Oral vs. B12 Injections: What Is the Difference? Boost Your Energy FAST: Why

Diagnosis (vitamin B12 deficiency or pernicious anaemia) was treated as a binary response in analysis, as everybody in the pernicious anaemia group was also classed as having vitamin B12 deficiency, as pernicious anaemia is the most common cause of vitamin B12 deficiency

In some cases, untreated vitamin B12 deficiency can lead to behavioral and health issues such as decreased brain function, depression, osteoporosis, and macular degeneration

Vitamin B12 is a crucial nutrient for nerve health, red blood cell production, and DNA synthesis

Typical daily range: 400 mcg (0.4 mg) 1,200 mcg (1.2 mg) total blend once daily, raised gradually across the cycle

J Nutr 2012;142:112-6