Prolonged Release Iron Free Ultimate One is a other combinations supplement by Vitamer Laboratories in tablet or pill form, listing 35 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 Prolonged Release Iron Free Ultimate One compare?
Ingredients listed on each label, against the other combinations category average of 21.8. Data from the NIH DSLD.
Prolonged Release Iron Free Ultimate One35
1,000 mg Vitamin C Acai Berry34
Other Combinations average21.8
Prolonged Release Iron Free Ultimate One lists 1 ingredient more than 1,000 mg Vitamin C Acai Berry. That is 13 above the other combinations average.
What the Label Data Shows
According to NIH DSLD label rows, Prolonged Release Iron Free Ultimate One sits in the top 5% of products with a countable formula by declared ingredient count.
With 35 ingredients on the label, Prolonged Release Iron Free Ultimate One is one of the more extensive other combinations supplement formulas from Vitamer Laboratories in the NIH Dietary Supplement Label Database (DSLD), sold in tablet or pill form. These ingredients span 8 nutrient categories, vitamin, mineral, non-nutrient/non-botanical, amino acid, and 4 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 35-ingredient formula, 35 of 35 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 2013-07-25. 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 Prolonged Release Iron Free Ultimate One: 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 Prolonged Release Iron Free Ultimate One, both outside the Vitamer 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 (35 here).
What ingredients are in Prolonged Release Iron Free Ultimate One? ▼
Prolonged Release Iron Free Ultimate One contains 35 ingredients. By declared ingredient count it sits in the top 5% of DSLD products PlainVitamins places. Ingredients span 8 categories: vitamin, mineral, non-nutrient/non-botanical, amino acid, other, botanical, fiber, fatty acid.
Who manufactures Prolonged Release Iron Free Ultimate One? ▼
Prolonged Release Iron Free Ultimate One is was manufactured by Vitamer Laboratories. It is classified as a Other Combinations supplement in tablet or pill form.
Is Prolonged Release Iron Free Ultimate One still available for purchase? ▼
According to the NIH DSLD database, Prolonged Release Iron Free Ultimate One is listed as off-market and may no longer be available for purchase.
What is the serving size of Prolonged Release Iron Free Ultimate One? ▼
The serving size is not specified.
What type of supplement is Prolonged Release Iron Free Ultimate One? ▼
Prolonged Release Iron Free Ultimate One 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.