Douglas Laboratories
Basic Preventive 4 (Iron and Copper Free)
About This Product
Douglas Laboratories Basic Preventive 4 (Iron and Copper Free) is a multi-vitamin and mineral supplement with a focus on comprehensive nutrient delivery without iron or copper. It features high levels of Vitamins C, E, Thiamine, and Niacin. This product has an N+ Score of 80.
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 28 active ingredients
Weaknesses
- −Missing several expected ingredients for its category
Ingredient Analysis (28 ingredients)
| Ingredient | Amount | Status |
|---|---|---|
| Thiamine | 100.000 mg | Optimal |
| Riboflavin | 50.000 mg | Optimal |
| Niacin | 200.000 mg | N/A |
| Vitamin B6 | 50.000 mg | Optimal |
| Folate | 1333.000 mcg DFE | N/A |
| Vitamin B12 | 100.000 mcg | Optimal |
| Biotin | 300.000 mcg | Optimal |
| Pantothenic Acid | 400.000 mg | Optimal |
| Choline | 150.000 mg | Adequate |
| Vitamin A | 7500.000 mcg | N/A |
| Vitamin E | 268.000 mg | Optimal |
| Calcium | 500.000 mg | Optimal |
| Iodine | 150.000 mcg | Optimal |
| Zinc | 20.000 mg | Optimal |
| Selenium | 200.000 mcg | Optimal |
| Manganese | 20.000 mg | N/A |
| Chromium | 200.000 mcg | Optimal |
| Boron | 2.000 mg | N/A |
| Vitamin D3 | 2.500 mcg | Under |
| Molybdenum | 150.000 mcg | Optimal |
| Inositol | 50.000 mg | N/A |
| Para-Aminobenzoic Acid | 50.000 mg | N/A |
| Vanadium | 39.000 mcg | N/A |
| Vitamin K1 | 60.000 mcg | Adequate |
| Citrus Bioflavonoid Complex | 100.000 mg | N/A |
| Magnesium Complex | 500.000 mg | N/A |
| Potassium Complex | 99.000 mg | N/A |
| Vitamin C Complex | 1200.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.