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 1 of 7).
Every product with what it contains: part 1 · part 2.
- 600 + D3 plus Mineralson the market · 3 labels2025
- 600 Calcium Supplementon the market · 6 labels2023
- 600+d3on the market · 6 labels2025
- 600+D3 plus Minerals Fruit Punchon the market · 3 labels2020
- A 3000 mcg (10,000 IU)on the market · 3 labels2025
- Acai 1000 mgon the market2013
- Acidophilus Probiotic Blendon the market · 3 labels2020
- Advanced Probioticon the market · 2 labels2021
- Alaska Wild Fish Oil Mega Omega-3on the market · 3 labels2021
- Alpha Lipoic Acid 200 mgon the market2023
- Alpha Lipoic Acid 50 mgon the market · 2 labels2019
- Antioxidanton the market · 3 labels2025
- Apple Cider Vinegar 2145 mgon the market2023
- Arthri-Flex Advantage + Turmericon the market2025
- Arthri-Flex Advantage + Vitamin D3on the market · 7 labels2025
- Ashwagandha Extracton the market2023
- B-1 100 mgon the market · 2 labels2019
- B-100 Complexon the market · 6 labels2025
- B-12 1000 mcgon the market · 3 labels2020
- B-12 2500 mcgon the market · 4 labels2020
- B-12 2500 mcg Cherry Flavoredon the market2025
- B-12 500 mcgon the market · 3 labels2020
- B-12 5000 mcgon the market2019
- B-50 Complexon the market · 4 labels2025
- B-6 100 mgon the market · 2 labels2019
- B-Complexon the market · 2 labels2019
- B-Complex Cherry Flavor Tabletson the market2019
- B-Complex plus Vitamin Con the market · 2 labels2021
- Beta Carotene 25,000 IUon the market2012
- Bilberry Concentrateon the market2019
- Biotin 10,000 mcgon the market · 2 labels2021
- Biotin 5000 mcgon the market · 2 labels2021
- Biotin 800 mcgon the market · 2 labels2025
- Black Cohoshon the market2019
- Blended E-400on the market2012
- Brillian Brainon the market2023
- Brilliant Brainon the market · 2 labels2020
- C 1000 mgon the market · 5 labels2025
- C 1000 mg with Rose Hipson the market · 3 labels2025
- C 250 mgon the market · 2 labels2021
- C 500 mgon the market · 6 labels2021
- C 500 mg with Rose Hipson the market · 3 labels2025
- C-1000on the market · 5 labels2020
- Calcium 1000 mgon the market · 2 labels2025
- Calcium 1000 mg plus D3 20 mcg (800 IU)on the market2023
- Calcium 1200 mgon the market · 3 labels2025
- Calcium 500on the market · 2 labels2012
- Calcium 500 + D3on the market · 6 labels2021
- Calcium 500 + D3 Plus Extra D3on the market2015
- Calcium 500 +Don the market2012
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.