Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Primary Hyperparathyroidism ?
    ### Response:
    Eating, diet, and nutrition have not been shown to play a role in causing or preventing primary hyperparathyroidism.
                
Vitamin D. Experts suggest correcting vitamin D deficiency in people with primary hyperparathyroidism to achieve a serum level of 25-hydroxy-vitamin D greater than 20 nanograms per deciliter (50 nanomoles per liter).
    