Lung Support Formula
U.S. Doctors' Clinical Lung Support Formula is a vitamin and mineral blend designed to support respiratory health. This product contains Vitamin A (750 mcg) and Zinc (7 mg) at clinical doses, which research suggests may support immune function. However, Vitamin C (50 mg) and Magnesium (20 mg) are underdosed compared to commonly studied amounts. The formula also includes a 445 mg proprietary blend, which lacks specific ingredient transparency. With an N+ Score of 57 and an 'F' grade, this product falls into the average quality tier. It contains a total of 5 ingredients and may appeal to those seeking general respiratory support, though some key ingredients are below clinical thresholds.
About This Product
Lung Support Formula by U.S. Doctors' Clinical is a vitamins & minerals supplement containing 5 active ingredients. It has earned an N+ Score of 57/100 (Grade F).
Notable clinical-dose ingredients include Vitamin A, Zinc.
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
- +2 ingredient(s) at clinical dose levels
Weaknesses
- −Several ingredients below clinically effective doses
Ingredient Analysis (5 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Vitamin A | 750.000 mcg | Optimal |
| Vitamin C | 50.000 mg | Under |
| Magnesium | 20.000 mg | Under |
| Zinc | 7.000 mg | Adequate |
| Proprietary Blend | 445.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





