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doi: 10.1007/164_2019_337

Vitamin B12 Shots vs B12 Supplements When it comes to boosting your Vitamin B12 levels, both supplements and shots can be effective, but there are some differences to consider

Since these supplements move through the digestive system, gut health and intrinsic factors play an important role in how much B12 the body absorbs

Busy schedules and long school and work hours can cause stress, fatigue, dehydration, and brain fog
