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 56 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 Sugar Free Orange Juice FlavorNaturesPlus Source of Life Animal Parade50 mg
- Vitamin C with Acerola CherriesNATURELO Premium Supplements45 mg
- Vitamin C with BioflavinoidsDr. Rico Perez40 mg
- Vitamin C with Bioflavonoid Concentrate 1000 mgSolaray · off the market50 mg
- Vitamin C with BioflavonoidsBronson Laboratories · off the market100 mg
- Vitamin C with BioflavonoidsNature's Way · off the market50 mg
- Vitamin C with BioflavonoidsBronson100 mg
- Vitamin C with BioflavonoidsVital Nutrients500 mg
- Vitamin C with Bioflavonoids 1,000 mgNature's Way600 mg
- Vitamin C with Citrus Bioflavonoids & Rose HipsAN Amazing Nutrition Amazing Formulas25 mg
- Vitamin C With Citrus Bioflavonoids 1000 mgNature's Harmony100 mg
- Vitamin C with Citrus Bioflavonoids 500 mgBronson500 mg
- Vitamin C With FlavonoidsThorne Research · off the market75 mg
- Vitamin C with FlavonoidsThorne75 mg
- Vitamin C with Natural Rose Hips Tablets, 1000 mgMember's Mark50 mg
- Vitamin C with QuercetinIntegrative Therapeutics125 mg
- Vitamin C With Rose Hips And Bioflavonoids 500 mgNature's Harmony1.25 mg
- Vitamin C with ZincMember's Mark50 mg
- Vitamin C+Amen50 mg
- Vitamin C+ Gummies Orange BlastZHOUin a blend
- Vitamin C-1000OL Olympian Labs · off the market100 mg
- Vitamin C-1000Amvilab5 mg
- Vitamin C-1000 ComplexNutriONN530 mg
- Vitamin C-500 Orange FlavorPhysician's Preference · off the market5 mg
- Vitamin C-500 With BioflavonoidsNature's Way · off the market600 mg
- Vitamin D3 1000 IUAmvilab72 mg
- Vitamin EssentialsSundown Naturals28 mg
- Vitamin-C Extended Release 1000 mgNova Nutritionsin a blend
- Vitamin-C PlexOL Olympian Labs100 mg
- Vitaminas Prenatales Con DHAVidasencia · off the market50 mg
- Vitamins To Go WomenSundown · off the marketin a blend
- Vitamins To Go! Specially Formulated For MenSundown Naturalsin a blend
- Vitamins To Go! Specially Formulated For WomenSundown Naturalsin a blend
- VitaminzBeyond Geneticsin a blend
- VitaPerfectNutra Perfect · off the market20 mg
- VitaPrimeProThera · off the market100 mg
- VitaPrimeKlaire Labs · off the market100 mg
- VitaPrime Capsule FormulaProThera · off the market65 mg
- VitaPrime Capsule FormulaKlaire Labs · off the market65 mg
- VitaSpectrum Berry-Pomegranate FlavorKlaire Labs · off the market100 mg
- VitaSpectrum Capsule FormulaKlaire Labs · off the market100 mg
- VitaSpectrum Citrus FlavorKlaire Labs · off the market100 mg
- VitaSpectrum Tropical FlavorKlaire Labs · off the market100 mg
- Vitaworks With IronDouglas Laboratories75 mg
- VitaWorxDouglas Laboratories75 mg
- VitaZoneSynergy25 mg
- VM 100 CompleteBuried Treasure Liquid Nutrients · off the market65 mg
- VM 100 Complete Orange ZestBuried Treasure Liquid Nutrients65 mg
- VM100 Daily Multi Orange ZestBuried Treasure Liquid Nutrients · off the market65 mg
- VmeLoomis Enzymes10 mg