Chapter One by Zahler · Vitamin supplement
D is for D3
17 ingredients on file in the NIH Dietary Supplement Label Database, top 21% by ingredient count. Currently on-market in the U.S.
- 17
- Ingredients
- Top 21%
- By ingredient count
- 8
- Nutrient categories
D is for D3 is a vitamin supplement by Chapter One by Zahler in gummy or jelly form, listing 17 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 on-market. Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Type
- 💊 Vitamin
- Form
- Gummy or Jelly
- Database Entry Date
- 2024-04-23
- Ingredients
- 17
Supplement Facts (17 Ingredients)
How does D is for D3 compare?
Ingredients listed on each label, against the vitamin category average of 6.8. Data from the NIH DSLD.
D is for D3 lists 15 ingredients more than 100% Natural E Liquid. That is 10 above the vitamin average.
What the Label Data Shows
According to NIH DSLD label rows, D is for D3 sits in the top 21% of products with a countable formula by declared ingredient count.
With 17 ingredients on the label, D is for D3 is one of the more extensive vitamin supplement formulas from Chapter One by Zahler in the NIH Dietary Supplement Label Database (DSLD), sold in gummy or jelly form. These ingredients span 8 nutrient categories, sugar, other, mineral, non-nutrient/non-botanical, and 4 more, reflecting a multi-component formula rather than a single-nutrient product.
Across a broader 17-ingredient formula, 17 of 17 do not carry a reported percentage Daily Value in the source record. That missing field does not establish whether an FDA reference value exists.
Availability status shapes how this label record is best used. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2024-04-23. An on-market listing means the product is currently sold in the United States; the DSLD catalogs the label as submitted but does not independently verify the claims or evaluate safety or efficacy.
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 D is for D3: 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 D is for D3, both outside the Chapter One by Zahler 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 (17 here).
Similar Gummy or Jelly peers
Nearest same-form formulas from other brands.
Ingredient Breakdown by Category
Daily Value Coverage
Frequently Asked Questions
What ingredients are in D is for D3? ▼
Who manufactures D is for D3? ▼
Is D is for D3 still available for purchase? ▼
What is the serving size of D is for D3? ▼
What type of supplement is D is for D3? ▼
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.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.