19
Nutritional Deficiencies
Nutrient Signs and Symptoms
Common
Procedures Affected
Iron Fatigue, pallor, restless legs, hair loss RNYGB, BPD/DS
Vitamin
B12
Neuropathy, memory loss, glossitis,
fatigue
RNYGB, SG, BPD/DS
Folate Macrocytic anemia, fatigue,
stomatitis
RNYGB, SG, BPD/DS
Thiamine
(B1)
Paresthesia, Wernicke's
encephalopathy, weakness
RNYGB, SG, BPD/DS
Vitamin D Bone pain, muscle weakness,
secondary hyperparathyroidism
All
Calcium Muscle cramps, tetany, osteopenia/
osteoporosis
RNYGB, BPD/DS
Vitamin A Night blindness, dry eyes, skin
changes
BPD/DS
Vitamin E Neuropathy, ataxia, hemolytic
anemia
BPD/DS
Vitamin K Easy bruising, bleeding, elevated
international normalized ratio (INR)
BPD/DS
Zinc Rash, impaired wound healing,
hair loss
BPD/DS
Copper Anemia, neutropenia, neurologic
issues
BPD/DS
