PlainVitamins

Buffered C with Bioflavonoids

by Swanson Premium Brand · capsule · 100 capsules

  • Off the market since January 2018 (NIH)
  • UPC 0 87614 01944 4
  • DSLD label 158878
  • Serving 1 capsule

Buffered C with Bioflavonoids by Swanson Premium Brand lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 500 mg of vitamin C, 60 mg of calcium and 200 mg of citrus bioflavonoid complex. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2019.

What is in Buffered C with Bioflavonoids?

Each row as the label prints it, per serving of 1 capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Buffered C with Bioflavonoids: Supplement Facts rows against the market (DSLD label 158878, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium AscorbateVitamin C (Form: as Calcium Ascorbate)500 mg833%Vitamin C in Buffered C with Bioflavonoids against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,000 mg.

Calciumas Calcium AscorbateCalcium (Form: from Calcium Ascorbate)60 mg6%Calcium in Buffered C with Bioflavonoids against 17,831 products60 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg60 mg

68% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 120 mg.

Citrus Bioflavonoid Complex200 mgFlavonoid in Buffered C with Bioflavonoids against 2,343 products200 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.200 mg

Higher than 83% of 2,343 products listing flavonoid (median 50 mg). Per day at the most servings: 400 mg.

Source: NIH ODS Dietary Supplement Label Database, label 158878 (entered September 24, 2019), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 1 to 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested use: As a dietary supplement, take one capsule one to two times per day with water or as recommended by your healthcare provider.
Warnings
Do not use if seal is broken.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 158878.

What else is on the label?

Other ingredients: Gelatin, Rice Flour, May contain one or both of the following.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Guaranteed purity & potency.

How many labels does Buffered C with Bioflavonoids have?

3 labels are on file under this name since June 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 158878 (current) Entered September 24, 2019 · off the market January 10, 2018 · 100 capsules · UPC 0 87614 01944 4
  2. Label 174737 Entered June 25, 2018 · off the market September 19, 2018 · 250 tablets · UPC 0 87614 01946 8
  3. Label 174735 Entered June 25, 2018 · off the market November 28, 2023 · 100 capsules · UPC 0 87614 01944 4

DSLD also links this label to: C (package size difference, same product), Buffered Vitamin C with Bioflavonoids (image difference, same product), Buffered Vitamin C with Bioflavonoids (package size difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Swanson Health Products (distributor), Fargo, ND. All Swanson Premium Brand products.

Where next?