Thorne Research.

Contains:
Iron Picolinate................................ 25 mg
Vitamin B12 (as methyl).................. 150 mg
Vitamin B12 (as adenosyl)............... 150 mg
Folate (as calcium folinate).............. 400 mcg
Hypoallergenic.

Vital nutrients for red blood cells, liver, and muscles.
Microcytic anemia involves an iron deficiency.
Macrocytic anemia involves a deficiency of vitamin B12 and/or folic acid.
A CBC blood test is necessary to determine if one or both anemias are present.