Brand
21st Century supplements
21st Century has 338 products in the NIH Dietary Supplement Label Database (798 labels), 254 of them on the market at its January 2026 release; its labels most often list calcium, vitamin D, vitamin C. It ranks 49 of 5,741 brands by products on file.
- Products on file
- 338798 labels, sizes and designs counted
- On the market
- 25475% of its products
- Labels disclosing no amount
- 1products whose label gives no amount per ingredient
- On file since
- 2012newest label July 24, 2025
What do 21st Century labels contain?
The ingredients its products list most, with its median amount per serving against the median of every product listing the same ingredient.
| Ingredient | Its products | Its median | Market median |
|---|---|---|---|
| Calcium | 160 | 166 mg | 115 mg |
| Vitamin D | 92 | 12.5 mcg | 15 mcg |
| Vitamin C | 88 | 120 mg | 100 mg |
| Zinc | 68 | 15 mg | 11 mg |
| Vitamin B6 | 58 | 5 mg | 6 mg |
| Niacin | 57 | 20 mg | 20 mg |
| Vitamin B12 | 56 | 21.5 mcg | 36 mcg |
| Riboflavin | 51 | 2.13 mg | 4 mg |
| Thiamin | 51 | 2.4 mg | 5 mg |
| Copper | 47 | 1.6 mg | 1 mg |
Source: Supplement Facts rows of 21st Century's current labels and of every product's, NIH ODS Dietary Supplement Label Database version 9.4.0.
Every 21st Century product
On-market products first, A to Z (page 2 of 7).
Every product with what it contains: part 1 · part 2.
- Calcium 500+D3on the market · 4 labels2025
- Calcium 500+D3 plus Extra D3on the market · 2 labels2019
- Calcium 600on the market · 2 labels2012
- Calcium 600+Don the market · 7 labels2015
- Calcium Citrate +D3 Maximumon the market · 14 labels2022
- Calcium Citrate +D3 Petiteson the market · 2 labels2025
- Calcium Citrate +D3 Regularon the market2015
- Calcium Citrate Calcium + Soyon the market2012
- Calcium Magnesium Zinc + D3on the market · 2 labels2021
- Calcium Pluson the market2012
- Calcium Supplement 600on the market2025
- Carb Controlon the market2012
- Chelated Zinc 50 mgon the market · 2 labels2021
- Chewable C 500 mg Orange Flavoredon the market2021
- Chewable C-250on the market2012
- Chewable D3 10 mcg (400 IU)on the market2019
- Chewable Papaya Enzymeon the market2021
- Chewable Zinc plus Vitamins C & B-6 Cherry Flavoron the market2021
- Chito-Leanon the market2012
- Chromium Picolinate 200 mcgon the market · 2 labels2019
- Cinnamon 1000 mgon the market2019
- Cinnamon 2000 mg plus Chromiumon the market · 3 labels2021
- Co Q-10 100 mgon the market · 3 labels2021
- Co Q-10 200 mgon the market · 3 labels2021
- Co Q-10 30 mgon the market · 2 labels2019
- Co Q-10 400 mgon the market2019
- Co Q-10 60 mgon the market2019
- Co Q10 100 mgon the market2012
- Colon Cleanseon the market · 2 labels2019
- Colostrum 500 mgon the market2015
- Concentrated ChlorophylI 100 mgon the market2012
- CoraCal 1000 mgon the market · 2 labels2019
- Coral Calcium 1000 mgon the market · 4 labels2024
- Cortisol Support Weight Loss Formulaon the market2012
- Cranberry Extracton the market · 5 labels2025
- Cranberry Plus Probioticon the market · 4 labels2025
- Curcumin 95 500 mgon the market2019
- D3 10 mcg (400 IU)on the market2019
- D3 125 mcg (5000 IU)on the market · 5 labels2024
- D3 25 mcg (1000 IU)on the market · 7 labels2021
- D3 250 mcg (10,000 IU)on the market · 3 labels2025
- D3 50 mcg (2000 IU)on the market · 4 labels2021
- Daily Amino Acidon the market · 2 labels2021
- DHAon the market · 4 labels2023
- DHA 200 Plant-Sourced Omega-3on the market · 2 labels2012
- DHA 300 High Potency Plant-Sourced Omega-3on the market2012
- DHEA 25 mgon the market · 2 labels2019
- Diabetic Support Formulaon the market2012
- Digestive Enzymeson the market · 3 labels2023
- E 180 mg (400 IU)on the market · 7 labels2025
What kinds of products does 21st Century make?
21st Century products by DSLD product type
When did its products enter the database, and which are still sold?
| Year | On the market | Off the market |
|---|---|---|
| 2012 | 48 | 36 |
| 2013 | 5 | 8 |
| 2015 | 13 | 16 |
| 2016 | 0 | 7 |
| 2018 | 0 | 1 |
| 2019 | 67 | 5 |
| 2020 | 1 | 9 |
| 2021 | 33 | 0 |
| 2022 | 20 | 0 |
| 2023 | 16 | 1 |
| 2024 | 9 | 0 |
| 2025 | 42 | 1 |
Source: NIH Dietary Supplement Label Database label entry dates and market events, version 9.4.0.
Who is behind it?
Its labels most often name 21st Century HealthCare, Inc. (manufacturer), Tempe, AZ, on 298 products.
Where next?
How to read a brand's figures, and what labels cannot tell you about a brand: comparing supplement brands by their labels. Label data, not medical advice.