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 38 of 59), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- OptiCleanse GHI ChaiXYMOGEN250 mg
- OptiCleanse GHI Chocolate MintXYMOGEN250 mg
- OptiCleanse GHI Creamy ChocolateXYMOGEN250 mg
- OptiCleanse GHI Creamy Chocolate Sugar-& Stevia-FreeXYMOGEN250 mg
- OptiCleanse GHI Lite Vanilla Delight Sugar- & Stevia-FreeXYMOGEN125 mg
- OptiCleanse GHI OriginalXYMOGEN · off the market250 mg
- OptiCleanse GHI Rice OriginalXYMOGEN250 mg
- OptiCleanse GHI Rice Raspberry LemonadeXYMOGEN250 mg
- OptiCleanse GHI Rice Vanilla DelightXYMOGEN250 mg
- OptiCleanse GHI Sugar-& Stevia-Free ChaiXYMOGEN250 mg
- OptiCleanse GHI Vanilla DelightXYMOGEN250 mg
- OptiCleanse GHI Vanilla Delight Sugar- & Stevia-FreeXYMOGEN · off the market250 mg
- Optimal Detox ChocolateSeeking Health250 mg
- Optimal Detox VanillaSeeking Health250 mg
- Optimal Multi-CapsVitaScript30 mg
- Optimal MultivitaminSeeking Health50 mg
- Optimal Solutions Hair, Skin & NailsEsmond Natural38 mg
- Optimized CurcuminPureFormulas85 mg
- Optimized Curcumin with NeurophenolDouglas Laboratories85 mg
- Optimized Quercetin 250 mgLife Extensionin a blend
- Optimum-C FormulaBluebonnet500 mg
- Optivite P.M.T.Optimox Corporation · off the market250 mg
- Optivite P.M.T.Optimox · off the market250 mg
- Orange Chewable C Natural Orange and HoneyVitaCeutical Labs8 mg
- Orange Juice CeeVitamer Laboratories8 mg
- Orange Juice Chewable C Natural Orange & Honey plus BioflavonoidsAltrum24 mg
- Organic Forti-FlaxBarlean's5 mg
- Organic Plant Collagen BuilderGarden of Life MyKind Organicsin a blend
- Original FormulaGreens Today · off the marketin a blend
- Original Formula UnflavoredAll One400 mg
- Ortho Multi GreensProtocol For Life Balance25 mg
- OsteoLoomis Enzymes20 mg
- Osteo Bi-Flex Joint & EnergyOsteo Bi-Flexin a blend
- Osteo-SilEuroMedica · off the marketin a blend
- Osteo-Support FormulaDouglas Laboratoriesin a blend
- Osteo-TechBio-Tech Pharmacalin a blend
- OsteoSense PlusNatural Factors WomenSense50 mg
- OverDrivePharmanex · off the market100 mg
- Oxi-PlusPriority One Nutritional Supplements150 mg
- Oxy-PlusAN American Nutriceuticals · off the market50 mg
- Oxylent 5-In-1 Formula Sparkling Berries FlavorOxylent · off the market0 mg as transcribed, likely a slip
- Oxylent 5-In-1 Formula Sparkling Blackberry Pomegranate FlavorOxylent · off the market0 mg as transcribed, likely a slip
- Oxylent 5-in-1 Formula Sparkling Mandarin FlavorOxylent · off the market0 mg as transcribed, likely a slip
- Oxylent 5-In-1 Multivitamin Supplement Drink Sparkling BerriesOxylent · off the market10 mg
- Oxylent 5-In-1 Multivitamin Supplement Drink Sparkling Blackberry PomegranateOxylent · off the market10 mg
- Oxylent 5-In-1 Multivitamin Supplement Drink Sparkling Blackberry Pomegranate FlavorOxylent · off the market0 mg as transcribed, likely a slip
- Oxylent 5-in-1 Multivitamin Supplement Drink Sparkling MandarinOxylent · off the market10 mg
- Oxylent 5-in-1 Multivitamin Supplement Drink Variety PackOxylent · off the market10 mg
- Oxylent Multivitamin Supplement Drink 5-in-1 Formula Variety PackOxylent · off the market0 mg as transcribed, likely a slip
- P.M.T. Support FormulaDouglas Laboratories · off the market100 mg