Century Formula Without Iron is a multi-vitamin and mineral (mvm) supplement by Swanson Premium Brand in tablet or pill form, listing 31 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.
Ingredients listed on each label, against the multi-vitamin and mineral (mvm) category average of 26.6. Data from the NIH DSLD.
Century Formula Without Iron31
1,000 mg Vitamin C Acai Berry24
Multi-Vitamin and Mineral (MVM) average26.6
Century Formula Without Iron lists 7 ingredients more than 1,000 mg Vitamin C Acai Berry. That is 4 above the multi-vitamin and mineral (mvm) average.
What the Label Data Shows
According to NIH DSLD label rows, Century Formula Without Iron sits in the top 6% of products with a countable formula by declared ingredient count.
With 31 ingredients on the label, Century Formula Without Iron is one of the more extensive multi-vitamin and mineral (mvm) supplement formulas from Swanson Premium Brand in the NIH Dietary Supplement Label Database (DSLD), sold in tablet or pill form. These ingredients span 6 nutrient categories, vitamin, mineral, other, fatty acid, and 2 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 31-ingredient formula, 31 of 31 lack a percentage Daily Value in the available source record, leaving their regulatory reference status unspecified on this page.
A product's market status is worth checking before relying on this label. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2018-04-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved.
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 Century Formula Without Iron: 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.
What ingredients are in Century Formula Without Iron? ▼
Century Formula Without Iron contains 31 ingredients. By declared ingredient count it sits in the top 6% of DSLD products PlainVitamins places. Ingredients span 6 categories: vitamin, mineral, other, fatty acid, botanical, complex carbohydrate.
Who manufactures Century Formula Without Iron? ▼
Century Formula Without Iron is was manufactured by Swanson Premium Brand. It is classified as a Multi-Vitamin and Mineral (MVM) supplement in tablet or pill form.
Is Century Formula Without Iron still available for purchase? ▼
According to the NIH DSLD database, Century Formula Without Iron is listed as off-market and may no longer be available for purchase.
What is the serving size of Century Formula Without Iron? ▼
The serving size is not specified.
What type of supplement is Century Formula Without Iron? ▼
Century Formula Without Iron is classified as a "Multi-Vitamin and Mineral (MVM)" supplement in the NIH database. This category includes products primarily composed of multi-vitamin and mineral (mvm) 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.