Vitamin B12 Energy Patch 1200mcg & Folic Acid 400mcg 8 Super Transdermal Patches
Vitamin B-12 1200mcg. Folic Acid 0.4mg. What Does Vitamin B12 Do?. Vitamin B12 has several primary functions in the human body, including Signs and Symptoms of Vitamin B12 Deficiency. Vitamin B12 deficiency can occur due to the following.