A Study of Silkworm Pupa Powder Intervention in the Nutritional Status of Patients With Alzheimer's Disease.

Silkworm pupa powder, 2 times a day, two packets (12\*2 g) each time, take with warm water, before meals, for three months

Placebo, 2 sachets (12\*2 g) twice a day, with warm water, before meals, for three months