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 6 of 7).
Every product with what it contains: part 1 · part 2.
- Vitamin E Oilon the market2019
- Zeni-Losson the market2012
- Zinc 50 mgon the market · 3 labels2019
- Zinc Citrate 50 mgon the market · 2 labels2024
- 600 + D3off the market · 2 labels2015
- 600+D3 Calcium Supplementoff the market2020
- ACE Antioxidantoff the market2012
- Advanced Antioxidant Healthy Eyes Luteinoff the market2012
- Advanced Formula Hair, Skin & Nailsoff the market2015
- Alaska Wild Fish Oiloff the market2012
- Alaska Wild Fish Oil Megaoff the market2015
- Apple Cider Vinegar 300 mgoff the market · 6 labels2023
- Arthri-Flex Advantageoff the market · 2 labels2012
- B Complex Cherry Flavoroff the market2015
- B Complex with Coff the market · 2 labels2015
- Bilberry Extractoff the market · 2 labels2013
- Black Cohosh & Soy Isoflavonesoff the market · 2 labels2013
- C 500off the market · 4 labels2020
- C-1000 with Rose Hipsoff the market2015
- C-250off the market2012
- Cal Mag Zinc +Doff the market2012
- Cal Mag Zinc +D3off the market2019
- Calcium 1000 +Doff the market2012
- Calcium 1200 mg + D3off the market2016
- Calcium 600 + Doff the market2012
- Calcium Citrate + D3 Maximumoff the market2016
- Calcium Citrate Petites + D3off the market2019
- Calcium Citrate Petites +D3off the market2015
- Chewable C 500 mgoff the market2019
- Chewable C-500off the market2012
- Chewable Zinc Plus Vitamins C & B-6off the market2020
- Cinnamon 500 mgoff the market2012
- Co Q10 30 mgoff the market2012
- Co Q10 60 mgoff the market2012
- Complex B-100off the market2012
- Complex B-50off the market2012
- D-1000off the market2012
- D-400off the market2012
- D3 10,000 IUoff the market · 2 labels2020
- E-1000off the market2012
- Echinacea Extractoff the market · 2 labels2012
- Enteric Coated Fish Oil 1200 mgoff the market2016
- Ginkgo Biloba Extractoff the market2012
- Glucosamine & Chondroitin Complex plus MSM Advanced Triple Strengthoff the market2019
- Glucosamine 250 mg & Chondroitin 200 mgoff the market2016
- Healthy Eyes SuperVision 2off the market2015
- Healthy Eyes with Luteinoff the market2020
- Hi-Potency B-12 5000 mcgoff the market2012
- Hi-Potency Biotin 5000 mcgoff the market2012
- High Potency Acidophilus Probiotic Blendoff the market · 2 labels2013
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.