Ischemic Stroke Nutrition Intervention Study

Inclusion Criteria：

Participants who meet all the following conditions will be included in the trial:

1. Men or women aged ≥ 18 years.

2. Patients with recent ischemic stroke（first or recurrent stroke no more than 7 days before admission）without significant residual limb paralysis, NIHSS score between 2-15, and muscle strength graded 2-4.

3. The patient and their legal guardian (or legally acceptable representative) voluntarily sign the informed consent form.

Exclusion Criteria：

Participants who meet any of the following conditions will be excluded from the trial:

1. Presence of consciousness disorders, aphasia, or swallowing disorders.

2. The diagnosis or suspicion of cerebral hemorrhage, atrial fibrillation, or other factors leading to cardiogenic cerebral infarction.

3. Coagulation dysfunction or use of vitamin K antagonists.

4. Suffering from chronic gastrointestinal malabsorption (such as celiac disease, short bowel syndrome), severe congestive heart failure, malignant hypertension, severe liver and kidney dysfunction, persistent malignant tumors (continuous treatment, or diagnosis of malignant tumors<5 years), or other related diseases considered by researchers that seriously affect the patient's survival.

5. Having musculoskeletal diseases or cognitive impairment before the stroke.

6. Currently using or planning to use non research approved dietary supplements during the study period.

7. Currently using or planning to use drugs that affect cognitive or neurological function during the research period.

8. Restricted normal eating or currently receiving enteral or parenteral nutrition support.

9. Contraindications for MRI and other examinations.

10. Currently pregnant or planning pregnancy, currently breastfeeding.

11. Participated in a clinical trial using experimental drugs or devices within the past 3 months.