Basic Preventive 4 Iron And Copper Free®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 6 Tablet(s) · 1 per day

Not Present

• 

  Douglas Labs Basic Preventive 4

  personalpower

  $44.80
• 

  Douglas Laboratories Basic Preventive 5 Iron Free 180 Tablets

  personalpower4.8(17)

  $35.40Lowest
• 

  Douglas Labs Basic Preventive 2FE&CU Free

  personalpower

  $37.30
• 

  Douglas Laboratories Ultra Preventive 1 Daily 60 Capsules

  mindbodysoul3.7(3)

  $47.00
• 

  Douglas Laboratories Ultra Preventive III 180 Capsules

  Pine Street Clinic4.8(61)

  $44.00
• 

  Douglas Laboratories Douglas Ultra Preventive X

  boulevardcompounding.com4.8(202)

  $74.99
• 

  Douglas Laboratories Basic Minerals 180 Capsules

  GoSupps.com4.8(5)

  $64.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• HAWAII DISCOUNT VITAMINS SUPERSTORE - HONOLULU

  4.9 (307)

  Vitamin & supplements store

  1600 Kapiolani Blvd Ste 121, Honolulu, HI 96814

  Directions(808) 369-2550

• The Daily Wellness Company

  5.0 (3)

  Vitamin & supplements store

  1750 Kalākaua Ave APT 3001, Honolulu, HI 96826

  Directions(800) 988-4869

• GNC

  4.1 (75)

  Vitamin & supplements store

  1450 Ala Moana Blvd #1211, Honolulu, HI 96814

  Directions(808) 941-5079

• The Vitamin Shoppe

  4.1 (89)

  Vitamin & supplements store

  1450 Ala Moana Blvd Space 1305, Honolulu, HI 96814

  Directions(808) 949-5424

• Superior Natural Supplements

  Vitamin & supplements store

  2630 Kapiolani Blvd, Honolulu, HI 96826

  Directions(425) 295-9103

• Naturally Plus Hawaii

  5.0 (1)

  Vitamin & supplements store

  1221 Kapiolani Blvd, Honolulu, HI 96814

  Directions(808) 258-6966

• Distinct Supplements

  Vitamin & supplements store

  2630 Kapiolani Blvd, Honolulu, HI 96826

  Directions(425) 295-9103

• GNC

  1.6 (8)

  Vitamin & supplements store

  755 Kapahulu Ave Space 4, Honolulu, HI 96816

  Directions(808) 808-3729

• 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 citations

• Iron 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 citations

• Is 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 citations

• Preventing 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 citations

• Polyphenols 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

• Riboflavin (Vitamin B2) on the Label

  What riboflavin is, how much a typical product provides, and why it can change the color of urine.

  VitaSuppTrack Editorial· Jun 24, 2026
• Magnesium Forms Explained: Oxide, Citrate, and Glycinate

  The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.

  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 2012-02-23. DSLD Label ID: 5370. 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.