Proof.Fit

Respiratory comfort

47 supplements analyzed and ranked by clinical evidence.

Supplements47

Supplement Evidence

Main Effects
Vitamin D

Respiratory infections ↓

Asthma/COPD control ↑

Strong
435919
Erythropoiesis-Stimulating Agents

Hb stable

+1.3 g/dL

Respiratory comfort unknown

Strong
218511
Ephedrine

Nasal congestion improvement

Symptom relief +45 min

Strong
56213
N-Acetyl Cysteine

Symptom relief, better breathing

Exacerbations down, lung function +10%

Strong
62317
Vitamin A

Respiratory infections ↓, BPD ↓

Pneumonia / cough ↓

Hospital stay ↓, FEV1 ↑

Strong
130714
Selenium

Asthma: better comfort

Ventilation: fewer days

Lung flow: slight gain

Strong
69617
Beta-Glucans

Fewer URTI symptoms

-20% cold days

Better breathing comfort

Strong
16818
Ginseng

Symptom/infection reduction

Breathing/gas exchange improvement

Strong
27118
Propolis

Cough/dyspnea ↓

Asthma attacks ↓

Respiratory infections ↓

Moderate
9516
Capsaicin

Nasal blockage ↓

Cough sensitivity ↑

Moderate
24618
Beta-Carotene

Better airflow, fewer exacerbations

Nasal dryness improved, dysplasia unchanged

Moderate
80713
Echinacea

Shorter cough/cold

Less RTI days

Moderate
5413
Andrographis Paniculata

Sore throat/nasal relief

3.85 score drop

Moderate
169
Sage

Respiratory rate ↓

Respiratory comfort ↑

Moderate
52116
Lactoferrin

Respiratory events −66%

Throat pain −68%

Moderate
18815
Garlic

Less ARD/colds

+50% oxygen

Moderate
15317
Turmeric

Breathlessness/dyspnea ↓

SpO2 ↑, RR ↓

Moderate
19419
Licorice

Sore throat/cough ↓

IL-17A ↓ ~4x

Moderate
7815
Black Seed Oil

Allergy relief

Asthma/COVID recovery

Moderate
4915
Quercetin

Respiratory relief, +symptoms

Faster lung recovery, inflammation

Fewer URTIs, allergies

Moderate
14219
Piperine

Improved breathing symptoms

Marked PAS reduction

93% vs 84%

Moderate
5118
Astragalus

Less congestion, better breathing

FEV1/TLC +

Moderate
14917
Artemisia Annua

Rhinitis scores ↓

Medication use ↓

Tolerance markers ↑

Moderate
159
Danshen

Better oxygenation (+PaO2)

Less breathlessness; fewer exacerbations

Moderate
12117
Elderberry

Faster relief, -4 days

Fewer symptoms, -2 days

Moderate
209
Hawthorn

Dyspnea −12%

QoL improved

Moderate
16016
Theobromine

Less cough; +35% oxygenation

Less airway narrowing; shorter ICU

Weak
29412
Forskolin

Bronchodilation, less resistance +FEV1

Fewer attacks, +45%

Preserved compliance, less resistance

Weak
137
Arabinogalactan

Fewer colds, fewer cases

Tonsillitis/fever down, no antibiotics

Weak
126
Boswellia

Symptoms/lung +70%

Rescue inhaler use down

Weak
6014
D-Limonene

Respiratory comfort +16%

Symptom relief, fewer nonresponders

Weak
135
Butterbur

Nasal breathing +12%

Asthma responsiveness +0.7

Rhinitis symptoms ↓

Weak
116
Bromelain

Bronchitis severity/cough +14%

Cough severity/frequency

Weak
4510
Coptis

BSS -4.10

~92% improved

Weak
913
Larch

Fewer colds, +p=0.038

Higher onset severity, +p=0.028

Weak
144
Kaempferol

Faster lung clearing

Earlier viral clearance

Weak
1311
Clove

VAP ↓22%

Secretions/MCPIS ↓1

Weak
338
Olive Leaf Extract

Oxygenation +1.8%

Inflammation -15.7 mg/L

Stay -1.7 days

Weak
1713
Black Pepper

Faster swallow reflex

+ swallowing movements

↑ substance P

Weak
3713
Rosemary

Less sore throat

Less hoarseness

Weak
7715
Amla

SpO2 +4.6%, comfort

LOS -2.7d, comfort

Weak
2913
Cordyceps

↓ airway inflammation markers

IgE/IL-4/MMP-9 lower

Weak
216
Dong Quai

Pulmonary pressure/resistance ↓ 18-27%

Oxygenation ↑ PaO2

Weak
155
Skullcap

Respiratory relief, 0% fungi

Similar efficacy, -0.2 days

Weak
2511
Agaricus Blazei

IgE/sensitization −36%

Symptoms/meds −1

Weak
78
Sulforaphane

Better airflow +13%

Mild symptom relief

Weak
4214
Clary Sage

Breathing slower, BP down

Respiratory rate - significant

Weak
47