Nutrition for Asthmatics with Obesity

Inclusion Criteria: * Age: 18-65 years * BMI: 30-45 kg/m2 * asthma diagnosed by medical specialist (confirmed in medical history) * partly controlled or uncontrolled asthma by Asthma Control Test score ≤22 * owns a device compatible with ZEPHYRx platform * stable asthma medication use (no change in the past 2 months). Exclusion Criteria: * Diabetes or using diabetes medications that may lower blood glucose levels * point of care fasting blood glucose ≥126 mg/dl or triglycerides ≥400 mg/dl * current smoking or smoking history of greater than 10 pack-years * other significant respiratory or cardiac disease or the presence of clinically important comorbidities, e.g., COPD, renal failure, liver disease; uncontrolled hypertension defined as systolic blood pressure ≥160 mm/Hg, or diastolic blood pressure ≥100 mm/Hg * pregnant or nursing women * food preferences or allergies inconsistent with study diet capabilities * noncompliance with lead-in period requirements.