Evaluation of the Efficacy of Respicure® (Resveratrol / Quercetin) in the Management of Respiratory Conditions Including Asthma,COPD and Long COVID.

* Inclusion Criteria for Asthma patients: 1. Male, female, aged ≥19. 2. Being able to provide written informed consent before the study. 3. Patient with partially controlled asthma: Assessment of asthma control over the month preceding the use of Respicure ® by a symptomatic assessment (Tick one or two symptoms): 3\. 1 Daytime symptoms more than twice a week, 3. 2 One or more nocturnal awakenings, 3. 3 Need for rescue medication more than twice a week, 3. 4 One or more activity limitations 4\. Patient followed for at least a year and mastering the technique of using devices i.e. aerosols, nebulizer etc… * Inclusion Criteria for COPD patients: 1. Male, female, ≥40 years old 2. Being able to provide written informed consent before the study. 3. Patient with COPD stage A, B, C or D in stable condition with no exacerbations in the past 4 weeks. 4. Patient followed for at least a year and mastering the technique of using devices i.e. aerosols, nebulizer etc… * Inclusion Criteria for long covid patients: 1. Male, female, aged ≥19. 2. Being able to provide written informed consent before the study. 3. Patients followed for respiratory symptoms linked to long Covid (symptoms for more than 12 weeks). Exclusion Criteria : 1. Patient with severe asthma (for asthma groupe only) 2. Prior use of Respicure®. 3. Concomitant use with the following products: cytochrome P450 3A4 substrate drugs (e.g. statin, antifungals and fexofenadine), antibiotics (quinolones), immunosuppressants (cyclosporine) and glycoprotein P substrate drugs, e.g. antifungal and antiarrhythmic . 4. Hypersensitivity to any of the ingredients. 5. Hypersensitivity to peanuts. 6. Concomitant intake of a product containing one or both of the active ingredients (resveratrol/quercetine). 7. Pregnancy/ lactation. 8. People who need to undergo surgery. 9. Participation in another clinical study within the previous 30 days. 10. Patient with asthma-COPD overlap syndrome or any other respiratory disease such as pneumonia, tuberculosis, pulmonary embolism, etc. 11. Hormone-sensitive conditions such as breast cancer, uterine cancer, ovarian cancer, endometriosis or uterine fibroids. 12. Patients requiring admission to intensive care and/or requiring respiratory assistance. 13. Patients requiring anticoagulant treatment at curative doses.