PlainVitamins

Buffered Vitamin C 500 mg

by Solaray · capsule · 250 vegcaps

  • On the market (NIH)
  • UPC 0 76280 04421 8
  • DSLD label 338244
  • Serving 1 vegcap
  • 250 servings

Buffered Vitamin C 500 mg by Solaray lists 6 ingredients, 6 with an amount per serving of 1 vegcap, such as 500 mg of vitamin C, 20 mg of calcium, 37 mg of magnesium and 100 mg of bioflavonoid concentrate. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Buffered Vitamin C 500 mg?

Each row as the label prints it, per serving of 1 vegcap. 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 Vitamin C 500 mg: Supplement Facts rows against the market (DSLD label 338244, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in Buffered Vitamin C 500 mg 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).

Calciumas Calcium Carbonate20 mg2%Calcium in Buffered Vitamin C 500 mg against 17,831 products20 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg20 mg

91% of 17,831 products listing calcium give more (median 115 mg).

Magnesiumas Magnesium Oxide37 mg9%Magnesium in Buffered Vitamin C 500 mg against 14,003 products37 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg37 mg

73% of 14,003 products listing magnesium give more (median 86 mg).

Vitamin C Support Baseas Acerola Cherry, Rose Hips95 mg
Bioflavonoid Concentrateas Lemon100 mg
Rutin Concentrate50 mgRutin in Buffered Vitamin C 500 mg against 1,232 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.50 mg

Higher than 69% of 1,232 products listing rutin (median 25 mg).

Hesperidin Concentrate25 mgHesperidin in Buffered Vitamin C 500 mg against 552 products25 mg per serving; the middle half of products list 10 mg to 50 mg, the median 20 mg.25 mg

Higher than 53% of 552 products listing hesperidin (median 20 mg).

Source: NIH ODS Dietary Supplement Label Database, label 338244 (entered September 25, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 91% of the 17,831 products that print an amount of calcium list more than its 20 mg of calcium (median 115 mg).

The NIH database records one serving 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?

The products whose ingredient lists overlap most with Buffered Vitamin C 500 mg's, rare ingredients counting for more.

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
Directions: Use only as directed. Take 1 VegCap with a meal or glass of water.
Warnings
Warning: Do not use if safety seal is broken or missing. Keep your licensed health care practitioner informed when using this product. Directions: Use only as directed.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 338244.

What else is on the label?

Other ingredients: Cellulose, Magnesium Stearate, Acacia.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab verified.

How many labels does Buffered Vitamin C 500 mg have?

5 labels are on file under this name since September 24, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 338244 (current) Entered September 25, 2025 · on the market · 250 vegcaps · UPC 0 76280 04421 8
  2. Label 296007 Entered September 25, 2023 · on the market · 100 vegcaps · UPC 0 76280 04420 1
  3. Label 296008 Entered August 23, 2023 · off the market June 5, 2025 · 250 vegcaps · UPC 0 76280 04421 8
  4. Label 254660 Entered October 22, 2021 · off the market June 22, 2022 · 100 vegcaps · UPC 0 76280 04420 1
  5. Label 254663 Entered September 24, 2021 · off the market June 22, 2022 · 250 vegcaps · UPC 0 76280 04421 8

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

Who makes it?

The label names Nutraceutical Corp. (manufacturer). All Solaray products.

Where next?