Basic Preventive 4 (Iron And Copper Free)®
Other CombinationsBrand: Douglas Laboratories
Net Contents
180 Tablet(s)
Serving Size
6 Tablet(s)
Servings Per Container
30
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
3 10539 03848 2
Product Version
Formula #201386
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
28 distinct active ingredients are disclosed in Supplement Facts.
Label includes a proprietary blend, so some individual amounts are not itemized.
22 ingredients report a %DV; 18 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Milk
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 6 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin A(Beta-Carotene, Fish Oil, Vitamin A Acetate) | 25000 IU | 500% |
| Vitamin C | 1200 mg | 2000% |
| Calcium Ascorbate | — | — |
| Magnesium Aspartate-Ascorbate | — | — |
| Potassium Aspartate-Ascorbate | — | — |
| Ascorbic Acid | — | — |
| Vitamin D3 | 100 IU | 25% |
| Vitamin E(D-Alpha-Tocopheryl Succinate) | 400 IU | 1333% |
| Vitamin K1 | 60 mcg | 75% |
| Thiamine(Thiamine Mononitrate) | 100 mg | 6667% |
| Riboflavin | 50 mg | 2941% |
| Niacin(Niacin, Niacinamide) | 200 mg | 1000% |
| Vitamin B6(Pyridoxine Hydrochloride) | 50 mg | 2500% |
| Folic Acid | 800 mcg | 200% |
| Vitamin B12(Cyanocobalamin) | 100 mcg | 1667% |
| Biotin | 300 mcg | 100% |
| Pantothenic Acid(D-Calcium Pantothenate) | 400 mg | 4000% |
| Calcium(Calcium Ascorbate, Calcium Carbonate, Calcium Citrate) | 500 mg | 50% |
| Iodine(Kelp) | 150 mcg | 100% |
| Magnesium(Magnesium Amino Acid Chelate, Magnesium Aspartate-Ascorbate, Magnesium Oxide) | 500 mg | 125% |
| Zinc(Zinc Amino Acid Chelate) | 20 mg | 133% |
| Selenium(Selenium Amino Acid Chelate) | 200 mcg | 286% |
| Manganese(Manganese Amino Acid Chelate) | 20 mg | 1000% |
| Chromium(Chromium Polynicotinate) | 200 mcg | 167% |
| Molybdenum(Molybdenum Amino Acid Chelate) | 150 mcg | 200% |
| Potassium(Potassium Aspartate-Ascorbate, Potassium Chloride) | 99 mg | 3% |
| Choline(Choline Bitartrate) | 150 mg | — |
| Inositol | 50 mg | — |
| Vanadium(Vanadyl Sulfate) | 39 mcg | — |
| Boron(Boron Aspartate, Boron Citrate) | 2 mg | — |
| Para-Aminobenzoic Acid | 50 mg | — |
| Citrus Bioflavonoid Complex | 100 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Usage: As a dietary supplement, adults take 6 tablets daily with food or as directed by your healthcare professional.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: This product contains Vitamin K, which intereferes with prescription blood-thinning drugs Coumadin and Warfarin. Do not take this product before consulting with your healthcare provider.
Precautions re: All Other
Do not take this product before consulting with your healthcare provider
Precautions re: Children
KEEP OUT OF REACH OF CHILDREN.
Precautions re: All Other
Tamper resistant package, do not use if inner seal is missing.
Storage
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)25(0)C) (35-65% relative humidity)
Formulation
Formulation re: Does NOT Contain
This product contains NO yeast, gluten, soy protein, milk/dairy, corn, starch, artificial coloring, preservatives or flavoring.
Formula re: Contains
This product contains Vitamin K, which intereferes with prescription blood-thinning drugs Coumadin and Warfarin.
FDA Statements
FDA Statement of Identity
A Dietary Supplement
Other Label Statements
General: Product/Version Code
Formula #201386
Manufacturer & Distributor
Manufacturer
Douglas Laboratories
600 Boyce Road, Pittsburgh, PA, 15205, USA
1.800.245.4440
Market Reference
Douglas Labs Basic Preventive 4
personalpower$44.80Douglas Laboratories Basic Preventive 5 Iron Free 180 Tablets
personalpower4.8(17)$35.40LowestDouglas Labs Basic Preventive 2FE&CU Free
personalpower$37.30Douglas Laboratories Ultra Preventive 1 Daily 60 Capsules
mindbodysoul3.7(3)$47.00Douglas Laboratories Ultra Preventive III 180 Capsules
Pine Street Clinic4.8(61)$44.00Douglas Laboratories Douglas Ultra Preventive X
boulevardcompounding.com4.8(202)$74.99Douglas Laboratories Basic Minerals 180 Capsules
GoSupps.com4.8(5)$64.99
Where to Buy Locally
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Supplement Warehouse
4.9 (525)Vitamin & supplements store
4643 S University Dr, Davie, FL 33328
Healthsupp
5.0 (145)Vitamin & supplements store
1142 S Federal Hwy, Fort Lauderdale, FL 33316
The Vitamin Shoppe
4.4 (157)Vitamin & supplements store
268 S University Dr, Fort Lauderdale, FL 33324
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2034 S University Dr, Davie, FL 33324
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5.0 (88)Vitamin & supplements store
5601 Powerline Rd Ste 407, Fort Lauderdale, FL 33309
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3291 west sunrise blvd store #N7, W Sunrise Blvd, Fort Lauderdale, FL 33311
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The Vitamin Shoppe
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Research & Studies
Risks of copper and iron toxicity during aging in humans
GJ Brewer - Chemical research in toxicology, 2010 - ACS Publications
… This story, which I think is reaching the level of public health … Simply avoid taking in supplements containing copper and iron… , and to me, it seems clear that preventative steps should …
2010547 citationsIron toxicity and antioxidant nutrients
CG Fraga, PI Oteiza - Toxicology, 2002 - Elsevier
… High tissue iron concentrations have been associated with the development and … the relevance of iron toxicity on free radical-mediated tissue damage, and how iron interactions with …
2002411 citationsIs zinc supplementation safe for children?
M Orders - naturopathicpediatrics.com
… Health or Douglas Labs zinc lozenges. Do be aware that over-supplementation with zinc can cause a copper … Swallowed capsules are less effective for URI prevention. Zinc sprays are …
Handbook of antioxidants
E Cadenas, L Packer - 2002 - api.taylorfrancis.com
… basic biomedical sciences and clinicians. The potential for healthy aging and disease prevention … Iron and copper ions become available to catalyze such reactions when human tissues …
2002634 citationsPreventing and controlling iron deficiency anaemia through primary health care: a guide for health administrators and programme managers
…, SK Sood, SG Srikantia, World Health Organization - 1989 - iris.who.int
… B,,, pyridoxine and copper are of little public health significance because of their … basic approaches to the prevention of iron deficiency anaemia are supplementation with medicinal iron…
1989981 citationsPolyphenols in human health and disease
RR Watson, VR Preedy, S Zibadi - 2013 - books.google.com
… alternative medicine, exploring the preventive and therapeutic effects of natural dietary supplements on heart failure and its major risk factors in both basic animal and clinical studies, …
2013276 citations
Related News
Riboflavin (Vitamin B2) on the Label
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VitaSuppTrack Editorial· Jun 24, 2026
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-03-25. DSLD Label ID: 31284. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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