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.

The amounts printed most often
Amount per serving	Products	For example
100 mg	372	Green Source (Radiance); Ultra Preventive Beta With Copper & Iron (Douglas Laboratories); Ultra Preventive Beta With Copper (Douglas Laboratories)
25 mg	317	Iron Free Daily Multiple 50+ (Sundown Naturals); Mega Vita-Min (Radiance); Men's Multiple (Radiance Select)
50 mg	293	Bilberry Extract Plus (Earth Wise Vitamins & Supplements); Maximum Anti-Oxidant Formula (Radiance); Teen Multiple (FemTeen Symmetry)
20 mg	113	Cell Protector (GNC Preventive Nutrition); Men's (Rexall Sundown Naturalist); Active Woman's Multi (Vitabase)
200 mg	106	Ester-C 500 mg With Citrus Bioflavoinds Timed Release (American Health); Ester-C 1000 mg (Vitabase); Natural Source Super C-1000 With Rose Hips, Citrus Bioflavonoids, Rutin, Hesperidin Complex And Acerola (Windmill)
10 mg	100	Memorall (GNC Preventive Nutrition); Chewable C 500 mg Raspberry-Cherry (VitaCeutical Labs); Malic Acid + Magnesium Tablets (Douglas Laboratories)
60 mg	92	Life Multi Complete (VitaCeutical Labs); Your Life Multi Green Souce (Nature's Bounty); Green Source Multivitamin & Minerals (Vitamin World)
30 mg	91	Mega Vita-Gel (Vitamin World); Mega Vita Gel (Radiance); Mega Multi Vitamin (Indiana Botanic Gardens)
250 mg	73	Ester-C 500 Plus Bioflavonoids (Bluebonnet); Pomegranate Fruit Extract 250 mg (Basic Organics); Flavomax (Shaklee)
500 mg	72	Grape Seed Extract 50 mg (Nature's Bounty); Bio C Complete (VitaCeutical Labs); C Extra 500 mg Plus 500 mg Bioflavonoids (Natural Factors)

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.

Median flavonoid per serving by the year the label entered DSLD (years with 20+ products)
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 12 of 59), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Chewable C Fruit Flavor 120 mgSource Naturals20 mg
Chewable C Fruit Flavor 500 mgSource Naturals24 mg
Chewable C- 500Nutri-Westin a blend
Chewable C-300 Cherry FlavorDaVinci Laboratories of Vermont · off the market30 mg
Chewable C-300 Cherry FlavorDaVinci Laboratories30 mg
Chewable C-300 Orange-Pineapple FlavorDaVinci Laboratories of Vermont · off the market30 mg
Chewable C-300 Orange-Pineapple FlavorDaVinci Laboratories30 mg
Chewable C-500 mg Natural Vitamin C Delicious Berry FlavorNature's Bounty2 mg
Chewable C-500 Natural Cherry FlavorNOW · off the market5 mg
Chewable C-500 Natural Cherry-Berry FlavorNOW · off the market5 mg
Chewable C-500 Natural Orange Juice FlavorNOW · off the market5 mg
Chewable C-500 with Rose Hips & BioflavonoidsWindmill Natural Vitamins25 mg
Chewable Essential Multi without Iron BerryBariatric Advantage12.5 mg
Chewable Essential Multi without Iron OrangeBariatric Advantage6.25 mg
Chewable Kiddievite Natural Bubblegum FlavorKiddieMax5 mg
Chewable Kids Multi Cherry Flavored365 Everyday Value · off the market20 mg
Chewable Kids' MultiCHK Nutritionin a blend
Chewable Multi-Vitamin for ChildrenVitables20 mg
Chewable Multi-Vitamin Natural Strawberry FlavorWhole Foods Kids Essentialsin a blend
Chewable Multi-Vitamin with Probiotics & Enzymes for ChildrenVitables0.2 mg
Chewable Multivitamin for KidsDr. Mercola · off the market10 mg
Chewable Multivitamin For Kids Natural Orange FlavorDr. Mercola · off the market10 mg
Chewable Multivitamin With PhytonutrientsForever Kidsin a blend
Chewable Orange Juice Vitamin C 250 mgCountry Life3 mg
Chewable Orange Juice Vitamin C 500 mgCountry Life · off the market29 mg
Chewable Sinus & Respiratory Support Natural Berry FlavorZarbee's Naturalsin a blend
Chewable Vitamin C 500 mgExchange Select25 mg
Chewable Vitamin C 500 mg Cherry-Berry FlavorLuckyVitamin5 mg
Chewable Vitamin C 500 mg Juicy OrangeCountry Life29 mg
Chewable Vitamin C 500 mg Juicy Orange FlavorCountry Lifein a blend
Chewable Vitamin C 500 mg Raspberry-CherryNatural Nutra10 mg
Chewable Vitamin C 500 mg Raspberry-CherryWoodstock Vitamins10 mg
Chewable Vitamin C 500 mg Raspberry-CherryHarmonia10 mg
Chewable Vitamin C 500 mg Raspberry-Cherry FlavoredNHC Natural Healthy Concepts10 mg
Chewable Vitamin C Natural Cherry FlavorLittle DaVinci30 mg
Chewable Vitamin C Orange Juice FlavorMember's Mark · off the market25 mg
Chewable Vitamins And Minerals Natural Blue Raspberry FlavorCarlson for Kids · off the market10 mg
Chewables Delicious Tropical Fruit FlavorNatures Plus Source of Life Gold · off the market30 mg
Children's ACFBuried Treasure Liquid Nutrients65 mg
Children's ACFBuried Treasure65 mg
Children's Chewable MultiAltrum10 mg
Children's Chewable Multi Cherry FlavorCHK Nutrition20 mg
Children's Chewable Multi Cherry FlavorRon Teeguarden Nutraceuticals20 mg
Children's Chewable Multi-Vitamin & Mineral SupplementNatures Plus Source of Life Animal Parade · off the market20 mg
Children's Chewable Multi-Vitamin & Mineral SupplementNaturesPlus Source of Life Animal Parade · off the market20 mg
Children's Chewable Multi-Vitamin & Mineral Supplement CherryNaturesPlus Source of Life Animal Parade · off the market20 mg
Children's Chewable Multi-Vitamin & Mineral Supplement Grape FlavorNature's Plus Source of Life Animal Parade · off the market20 mg
Children's Chewable Multi-Vitamin & Mineral Supplement Natural Assorted Flavors Cherry, Orange & GrapeNaturesPlus Source of Life Animal Parade20 mg
Children's Chewable Multi-Vitamin & Mineral Supplement Natural Cherry Flavor!Natures Plus Source of Life Animal Parade20 mg
Children's Chewable Multi-Vitamin & Mineral Supplement Natural Fruity Flavor!Nature's Plus Source of Life Animal Parade · off the market20 mg