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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Best Supplements for Improved Lung Function

Ranked by research evidence. Compare 11 supplements across 19 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.

Top picks by evidence

  • Low evidence4 studies

    Across 4 studies, 2 reported beneficial moderate-sized effects on lung function (one RCT in children of pregnant smokers, one narrative review), while 2 meta-analyses in adults with COPD and asthma found no significant effect. The only specific dose studied was 500 mg/day in the positive RCT, but the evidence is inconsistent and limited by varied populations and study designs.

    Product match
    SolgarEster-C Plus
    1,000 mg · $14.24 · ★5.0 (70)
  • Low evidence3 studies

    Across 3 studies, 2 reported beneficial effects on lung function (one small, one moderate) while 1 found no effect. The evidence base is small, and effects were observed in clinical populations (adults with asthma, children with allergic rhinitis) and elderly. Study durations ranged from 12 to 21 weeks (median 117 days).

    Product match
    Viva NaturalsVitamin D3 with Organic Liquid Coconut Oil
    125 mcg · $15.16 · ★5.0 (208)
11 supplements
  • LowVitamin CAcross 4 studies, 2 reported beneficial moderate-sized effects on lung function (one RCT in children of pregnant smokers, one narrative review), while 2 meta-analyses in adults with COPD and asthma found no significant effect. The only specific dose studied was 500 mg/day in the positive RCT, but the evidence is inconsistent and limited by varied populations and study designs.2 beneficial2 neutral4 studies
  • LowVitamin DAcross 3 studies, 2 reported beneficial effects on lung function (one small, one moderate) while 1 found no effect. The evidence base is small, and effects were observed in clinical populations (adults with asthma, children with allergic rhinitis) and elderly. Study durations ranged from 12 to 21 weeks (median 117 days).2 beneficial1 neutral3 studies
  • N-Acetyl Cysteine2 beneficial2 studies
  • Tylophora2 beneficial2 studies
  • Lactobacillus rhamnosus GG1 beneficial1 neutral2 studies
  • Whey Protein1 beneficial1 study
  • Pine1 beneficial1 study
  • Boswellia1 beneficial1 study
  • Red Grape1 neutral1 study
  • Lactobacillus reuteri1 neutral1 study
  • Vitamin E1 neutral1 study
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