whats better b12 injections or pills Vitamin vs. Oral Supplements: Which is Better? are b12 injections more effective
Description
Cyanocobalamin taken sublingually still requires conversion after absorption

They suggest that taking 2mg or less per day is unlikely to cause any negative effects

This makes the mechanisms complementary rather than redundant

The film was based on the 1999 book of the same name by Laura Hillenbrand
Persistently high readings without supplements can indicate liver, kidney, blood, or inflammatory conditions, so followup evaluation may be recommended
