Ultra Preventive X
Douglas Laboratories Ultra Preventive X is a comprehensive multivitamin and mineral supplement. It contains a broad spectrum of vitamins, including high doses of Vitamin C, B vitamins, and Vitamin A. This product has an N+ Score of 79.
About This Product
Ultra Preventive X by Douglas Laboratories is a longevity & nad+ supplement containing 39 active ingredients. It has earned an N+ Score of 79/100 (Grade B-).
This product features a fully transparent label with individual ingredient amounts disclosed, and key ingredients are present at clinically effective doses based on peer-reviewed research.
Notable clinical-dose ingredients include Thiamine, Riboflavin, Vitamin B6 and 16 more.
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
- +Key ingredients at clinically effective doses
- +Fully transparent label with individual ingredient amounts disclosed
- +Broad ingredient diversity exceeding category norms
- +19 ingredient(s) at clinical dose levels
- +Rich formula with 39 active ingredients
Weaknesses
- −No major weaknesses identified
Ingredient Analysis (39 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Thiamine | 100.000 mg | Optimal |
| Riboflavin | 50.000 mg | Optimal |
| Vitamin B6 | 100.000 mg | Optimal |
| Folate | 667.000 mcg DFE | Optimal |
| Vitamin B12 | 250.000 mcg | Optimal |
| Biotin | 150.000 mcg | Optimal |
| Pantothenic Acid | 100.000 mg | Optimal |
| Choline | 275.000 mg | Adequate |
| Vitamin A | 2250.000 mcg | Optimal |
| Vitamin C | 1000.000 mg | Optimal |
| Vitamin E | 134.000 mg | Optimal |
| Calcium | 420.000 mg | Adequate |
| Iodine | 100.000 mcg | Adequate |
| Zinc | 25.000 mg | Optimal |
| Selenium | 100.000 mcg | Optimal |
| Copper | 2.000 mg | Optimal |
| Manganese | 9.000 mg | Optimal |
| Chromium | 100.000 mcg | Optimal |
| Potassium | 100.000 mg | Under |
| Alpha Lipoic Acid | 50.000 mg | N/A |
| Vitamin D3 | 12.500 mcg | Under |
| Quercetin | 100.000 mg | N/A |
| Bromelain | 50.000 mg | N/A |
| Vitamin K2 | 22.500 mcg | Under |
| Molybdenum | 50.000 mcg | Optimal |
| Inositol | 100.000 mg | N/A |
| Papain | 100.000 mg | N/A |
| Vanadium | 25.000 mcg | N/A |
| Grape seed extract | 50.000 mg | N/A |
| Rutin | 25.000 mg | N/A |
| Magnesium Complex | 420.000 mg | N/A |
| Betaine HCl | 150.000 mg | N/A |
| N-Acetyl-L-Cysteine | 150.000 mg | N/A |
| Lemon Bioflavonoids | 100.000 mg | N/A |
| Niacin/Niacinamide | 190.000 mg | N/A |
| Boron Glycinate | 3.000 mg | N/A |
| Proprietary Organic Fruit and Vegetable Blend | 700.000 mg | N/A |
| Organic Phytonutrient Blend | — | N/A |
| Carotenoids | — | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.