Basic Preventive 1 (Plus Iron And Copper) is a other combinations supplement by Douglas Laboratories in tablet or pill form, listing 45 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
How does Basic Preventive 1 (Plus Iron And Copper) compare?
Ingredients listed on each label, against the other combinations category average of 21.8. Data from the NIH DSLD.
Basic Preventive 1 (Plus Iron And Copper)45
1,000 mg Vitamin C Acai Berry34
Other Combinations average21.8
Basic Preventive 1 (Plus Iron And Copper) lists 11 ingredients more than 1,000 mg Vitamin C Acai Berry. That is 23 above the other combinations average.
What the Label Data Shows
According to NIH DSLD label rows, Basic Preventive 1 (Plus Iron And Copper) sits in the top 3% of products with a countable formula by declared ingredient count.
With 45 ingredients on the label, Basic Preventive 1 (Plus Iron And Copper) is one of the more extensive other combinations supplement formulas from Douglas Laboratories in the NIH Dietary Supplement Label Database (DSLD), sold in tablet or pill form. These ingredients span 8 nutrient categories, mineral, vitamin, other, non-nutrient/non-botanical, and 4 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 45-ingredient formula, 45 of 45 do not carry a reported percentage Daily Value in the source record. That missing field does not establish whether an FDA reference value exists.
Market status matters for supplement research. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2011-12-23. An off-market listing means production and distribution under this label have stopped, but the DSLD does not delete the entry, it stays on file for historical reference and formulation-history tracking.
About the DSLD database
The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for Basic Preventive 1 (Plus Iron And Copper): ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Nationwide supplements with similar label profiles
Two DSLD-derived peer sets for Basic Preventive 1 (Plus Iron And Copper), both outside the Douglas Laboratories brand so the neighborhoods are not catalog containment (the same-type Nearby block above stays type-local).
Similar ingredient count
Nearest cross-brand formulas by declared ingredient count (45 here).
modified Cellulose Gum, Methylcellulose, Vegetable Stearine, +2 more
non-nutrient/non-botanical
4
Inositol, Para-Aminobenzoic Acid, Citrus Bioflavonoids, +1 more
animal part or source
4
Thymus, Spleen, Liver, +1 more
blend
1
Raw Glandular Tissue Blend
fiber
1
Cellulose
botanical
1
Gum Ghatti
Daily Value Coverage
0
Above 100% DV
0
Below 100% DV
45
%DV not reported in source
Frequently Asked Questions
What ingredients are in Basic Preventive 1 (Plus Iron And Copper)? ▼
Basic Preventive 1 (Plus Iron And Copper) contains 45 ingredients. By declared ingredient count it sits in the top 3% of DSLD products PlainVitamins places. Ingredients span 8 categories: mineral, vitamin, other, non-nutrient/non-botanical, animal part or source, blend, fiber, botanical.
Who manufactures Basic Preventive 1 (Plus Iron And Copper)? ▼
Basic Preventive 1 (Plus Iron And Copper) is was manufactured by Douglas Laboratories. It is classified as a Other Combinations supplement in tablet or pill form.
Is Basic Preventive 1 (Plus Iron And Copper) still available for purchase? ▼
According to the NIH DSLD database, Basic Preventive 1 (Plus Iron And Copper) is listed as off-market and may no longer be available for purchase.
What is the serving size of Basic Preventive 1 (Plus Iron And Copper)? ▼
The serving size is not specified.
What type of supplement is Basic Preventive 1 (Plus Iron And Copper)? ▼
Basic Preventive 1 (Plus Iron And Copper) is classified as a "Other Combinations" supplement in the NIH database. This category includes products primarily composed of other combinations ingredients. DSLD sorts every supplement into one of 9 categories overall: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, or Other Combinations.
Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD),
maintained by the Office of Dietary Supplements at the National Institutes of Health.
The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market"
may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice
Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.