non-nutrient/non-botanical
Flavonoid supplements
Half of the 2,343 flavonoid supplements in the NIH label database that print an amount list 50 mg or less per serving; the middle half list 25 mg to 100 mg (DSLD version 9.4.0, January 2026). The 30 products whose only supplement ingredient is flavonoid list a median of 1,000 mg.
- Products listing it
- 2,9232,343 print an amount; 579 list it inside a blend without an amount
- Median per serving
- 50 mgmiddle half 25 mg to 100 mg
How much flavonoid do supplements contain?
The median product lists 50 mg per serving. One in ten lists 10 mg or less, one in ten 250 mg or more. The amount printed most often is 100 mg (372 products).
Products by amount of flavonoid per serving
2,343 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most flavonoid?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- Citrus Bioflavonoid Complex 1000 mgVitabase1,000 mg
- Citrus Bioflavonoids 1000 mgBronson1,000 mg
- Citrus Bioflavonoids Complex 1000 mgMartin Avenue Pharmacy1,000 mg
- Citrus Bioflavonoids 1000 mgVitamin World1,000 mg
- Flavonoid 1,000DaVinci Laboratories Of Vermont1,000 mg
- Citrus Bioflavonoid Complex 1000 mgSolgar1,000 mg
- Quiet EarIndiana Botanic Gardens1,000 mg
- Bioflavonoids 1,000 mgNature's Life1,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 25 mg; those entered in 2025, 75 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 86 | 25 mg |
| 2012 | 259 | 55 mg |
| 2013 | 236 | 50 mg |
| 2014 | 87 | 50 mg |
| 2015 | 121 | 50 mg |
| 2016 | 146 | 50 mg |
| 2017 | 134 | 50 mg |
| 2018 | 78 | 50 mg |
| 2019 | 70 | 55 mg |
| 2020 | 193 | 50 mg |
| 2021 | 199 | 60 mg |
| 2022 | 151 | 50 mg |
| 2023 | 199 | 37 mg |
| 2024 | 213 | 60 mg |
| 2025 | 171 | 75 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing flavonoid by DSLD product type
Brands listing it most: Douglas Laboratories (185), Nature's Way (92), Nature's Plus (83), Rainbow Light (43), NOW (38), Country Life (34), VitaCeutical Labs (33), Vitamin World (30), Puritan's Pride (30), Vitamer Laboratories (28).
Every product listing flavonoid
2,923 products, A to Z by name (page 55 of 59), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Vitamin C 1000 mg With BioflavonoidsNature's Way · off the market50 mg
- Vitamin C 1000 mg With Bioflavonoids & Rose HipsGNC25 mg
- Vitamin C 1000 mg with Citrus Bioflavonoids & Rose HipsNature's Blend25 mg
- Vitamin C 1000 mg with Natural Rose HipsSimply Right · off the market50 mg
- Vitamin C 1000 mg with Rose HipsNature's Blend5 mg
- Vitamin C 1000 with BioflavonoidsGNC · off the market7.5 mg
- Vitamin C 1000 With Bioflavonoids And Rose HipsGNC · off the market25 mg
- Vitamin C 1000 With Citrus BioflavonoidsGNC · off the market7.5 mg
- Vitamin C 500 Chewables Strawberry FlavorViva Vitaminsin a blend
- Vitamin C 500 ComplexProCaps Laboratories · off the market50 mg
- Vitamin C 500 ComplexProCaps50 mg
- Vitamin C 500 mgup&upin a blend
- Vitamin C 500 mgWonder Labs · off the marketin a blend
- Vitamin C 500 mg from Rosehips, with BioflavonoidsMartin Avenue Pharmacy100 mg
- Vitamin C 500 mg Orange ChewableMartin Avenue Pharmacyin a blend
- Vitamin C 500 mg Plus Grape SeedQuest · off the market50 mg
- Vitamin C 500 mg plus HerbsWonder Laboratoriesin a blend
- Vitamin C 500 mg Plus Natural Rose Hips and BioflavonoidsSundown Naturals25 mg
- Vitamin C 500 mg With BioflavonoidsNature's Way · off the market600 mg
- Vitamin C 500 mg With Citrus BioflavonoidsGood 'N Natural · off the market100 mg
- Vitamin C BioflavonoidsNature's Way · off the market600 mg
- Vitamin C Bioflavonoids 1:1 RatioSolaray · off the marketin a blend
- Vitamin C Buffered C-1000Healths Harmony364 mg
- Vitamin C Chewable 500 mg Natural Cherry FlavorSolaray · off the marketin a blend
- Vitamin C Chewable Cherry-Berry FlavorNew Sun5 mg
- Vitamin C Chewables 500 mg Natural Cherry FlavorSolarayin a blend
- Vitamin C CompleteVitaScript500 mg
- Vitamin C ComplexBronson Laboratories · off the market50 mg
- Vitamin C ComplexRelumins Advance Nutrition200 mg
- Vitamin C ComplexPure Prescriptions40 mg
- Vitamin C ComplexBioSchwartz20 mg
- Vitamin C Complex 1000 mgtnvitamins35 mg
- Vitamin C Complex 500 mgtnvitamins35 mg
- Vitamin C Concepts With BioflavonoidsNatural Healthy Concepts500 mg
- Vitamin C Delicious With Rosehips And Bioflavonoids Orange FlavorSundown Naturals · off the marketin a blend
- Vitamin C Echinacea 500 mgSolarayin a blend
- Vitamin C Extended ReleaseNutrilite35 mg
- Vitamin C GoldNutriGold · off the market45 mg
- Vitamin C Gummies 250 mg Delicious Natural Citrus FlavorVitamin Worldin a blend
- Vitamin C Gummies with Rose Hips & Bioflavonoids Orange FlavoredPuritan's Pridein a blend
- Vitamin C Gummies with Rosehips And Bioflavonoids Orange FlavoredSundown Naturals · off the marketin a blend
- Vitamin C Gummies With Rosehips And Bioflavonoids Orange FlavoredSundownin a blend
- Vitamin C Immune Support ComplexBronson50 mg
- Vitamin C Natural Orange FlavorBluebonnet Super Earth Rainforest Animalz · off the market50 mg
- Vitamin C Natural Orange Juice FlavorNature's Plus Source of Life Animal Parade · off the market50 mg
- Vitamin C Natural Orange Juice FlavorNaturesPlus Source of Life Animal Parade · off the market50 mg
- Vitamin C Orange FlavorBluebonnet Rainforest Animalz50 mg
- Vitamin C PlusCatie'sin a blend
- Vitamin C Plus Extended ReleaseNutriLite · off the market35 mg
- Vitamin C ShieldBody Kitchenin a blend