Hello,
For 29 years old female with
vitamin B12 = 176 pg/ mL , this is deficiency. Treatment depends on symptoms and doctors advice
Oral tablet
Methyl cobalamin/ Cyanocobalamin tablets are commonly used
1000-1500 mcg daily at least 8-12 weeks , then maintenance 500-1000 mcg daily or every other day
Important:
Take B12 after meals for better absorption
If you vegetarian/ vegan , continue long term supplements
Sometimes B12 deficiency comes with low folate or iron so check CBC ,
ferritin , folate and
thyroid so