Intramuscular (IM) Injection Techniques Intramuscular injections are a common way to give Vitamin B12
B Complex Injection Dosage Strength: Each ml contains: B12 (cobalamin) 10 mcg, B1 (thiamine) 10 mg, B2 (riboflavin-5-phosphate sodium) 5 mg, B6 (pyridoxine HCl) 5 mg
[16] [41] : 972 However, looking at the same scientific evidence, the European Food Safety Authority (EFSA) sets adequate intake (AI) at 4.5 g/d for pregnancy and 5.0 g/d for lactation
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The Benefits of B12 Shots B12 injections deliver the vitamin straight into your bloodstream for fast absorption
While you might already take oral supplements, these injections allow the vitamin to enter your bloodstream immediately