Vitamin B12 Deficiencies -4
Competition
for vitamin B12:
Intestinal
organisms:
Fish
tapeworm (Diphyllobothrium latum)
Splits B12 from IF so it
isn’t absorbed
Blind loops in intestines
Impaired absorption: continued
Tropical
sprue
Non-Tropical
sprue
Surgical
resection of intestines
Inflammatory
bowel syndrome
Increased
levels of intestinal bacteria due to: