Protocol · Respiratory Health
Asthma Protocol
Magnesium and Vitamin D are the core of this stack, with 5 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Asthma.
We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.
The stack
7 supplements · 4 graded · 1 confirmed study
| Grade | Supplement | Amount listed | Why it’s in the stack | Evidence on file | Shop |
|---|---|---|---|---|---|
| Primary stackThe core of this protocol | |||||
| Magnesium | Amount listed: 300–400 mg daily | Natural bronchodilator that relaxes airway smooth muscle and may reduce airway hyperreactivity
| Grade B for Asthma Symptoms4 studies · 478 people | ||
| Vitamin D | Amount listed: 1,000–4,000 IU daily (based on blood levels) | Modulates immune function, reduces airway inflammation, and may decrease exacerbation frequency
| Grade D for Acute Respiratory Tract Infection Symptoms2,461 people | ||
| Supporting stackListed as additions to the core | |||||
| Probiotics | Amount listed: 10–50 billion CFU daily (Lactobacillus, Bifidobacterium strains) | Modulates gut-lung immune axis; may reduce allergic inflammation and improve immune tolerance
| Grade B for Asthma Symptoms2 studies · 544 people | ||
| Fish Oil (Omega-3) | Amount listed: 2–4 g EPA/DHA daily | EPA and DHA reduce inflammatory mediators (leukotrienes) involved in airway inflammation
| Not graded yet | ||
| Black Seed (Nigella sativa) | Amount listed: 1–2 g seeds or 500–1,000 mg oil daily | Thymoquinone has anti-inflammatory and bronchodilator effects; traditional remedy for respiratory conditions | Not graded yet | ||
| Quercetin | Amount listed: 500–1,000 mg daily | Flavonoid that stabilizes mast cells, inhibits histamine release, and has anti-inflammatory effects | Not graded yet | ||
Confirmed studies for Quercetin (titles as PubMed lists them) | |||||
| Saffron | Amount listed: 30–100 mg daily | Contains crocin and safranal which may reduce airway inflammation and improve lung function
| Grade B for Asthma Symptoms160 people | ||
Shop the evidence-backed picks
Support alongside medical care. These supplements are not a treatment for Asthma. If you are being treated for it, talk to your clinician before adding one: supplements can interact with medicines.
The collection holds the supplements we grade A or B for its theme, in third-party tested products where the catalog has them. It opens in our Fullscript store. You can look through it without signing in; Fullscript asks for a free account to order.
Or shop one supplement
The 3 supplements in this protocol graded A or B. Each opens third-party tested products, matched to the dose above where we can.
- Grade B
- Grade B
- Grade B
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How this protocol works
In plain language
Asthma is a chronic inflammatory disease of the airways characterized by wheezing, shortness of breath, chest tightness, and coughing. It involves airway inflammation, hyperreactivity (overly sensitive airways), and reversible obstruction. While controller medications (inhaled corticosteroids, bronchodilators) are the foundation of treatment, certain supplements may provide additional support for airway health and reduce inflammation.
IMPORTANT: Supplements do not replace asthma medications. Never stop or reduce prescribed medications without consulting your doctor. Have a rescue inhaler available for acute symptoms.
- Magnesium acts as a natural bronchodilator—it helps relax the smooth muscle in airways. Intravenous magnesium is actually used in emergency rooms for severe asthma attacks. Oral supplementation may help reduce airway hyperreactivity and improve lung function. Many people with asthma have low magnesium levels, and supplementation may improve symptom control.
- Vitamin D deficiency is extremely common in people with asthma and is linked to more frequent exacerbations and worse lung function. Vitamin D modulates immune responses and may reduce airway inflammation. A major Cochrane review found that vitamin D supplementation reduced asthma attacks requiring steroid treatment.
- Probiotics work through the gut-lung axis—there's a strong connection between gut microbiome health and respiratory immunity. By supporting healthy gut bacteria, probiotics may help regulate immune responses and reduce allergic inflammation that contributes to asthma.
- Fish Oil (Omega-3) contains EPA and DHA which compete with arachidonic acid and reduce production of inflammatory leukotrienes—key mediators in asthma inflammation. While studies show mixed results, omega-3s may be particularly helpful for exercise-induced asthma.
- Black Seed (Nigella sativa) has been used traditionally for respiratory conditions. Its active compound thymoquinone has anti-inflammatory and bronchodilator properties. Small clinical trials show improvements in asthma symptoms and lung function.
- Quercetin is a plant flavonoid that stabilizes mast cells (preventing histamine release) and has anti-inflammatory effects. It may help reduce allergic responses that trigger asthma symptoms.
- Saffron contains compounds with anti-inflammatory properties that may benefit airway inflammation. Early clinical trials show promise for improving lung function and reducing symptoms.
Expected timeline: Magnesium: 1-2 weeks. Vitamin D: 2-3 months (based on correcting deficiency). Probiotics: 4-8 weeks. Omega-3: 6-12 weeks for anti-inflammatory effects. Black seed/saffron: 4-8 weeks.