PlainVitamins

Buffered Vitamin C 1000 mg

by Metabolic Maintenance · capsule · 90 capsules

  • On the market (NIH)
  • UPC 8 38287 00232 1
  • DSLD label 273992
  • Serving 1 capsule
  • 90 servings

Buffered Vitamin C 1000 mg by Metabolic Maintenance lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 1,000 mg of vitamin C, 24 mg of calcium and 150 mg of citrus bioflavonoids, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 22, 2022.

What is in Buffered Vitamin C 1000 mg?

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 Vitamin C 1000 mg: Supplement Facts rows against the market (DSLD label 273992, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid, Calcium Ascorbate, Sodium Ascorbate1,000 mg1,111%Vitamin C in Buffered Vitamin C 1000 mg against 18,583 products1,000 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,000 mg

Higher than 91% of 18,583 products listing vitamin C (median 100 mg).

Calciumas Calcium Ascorbate24 mg2%Calcium in Buffered Vitamin C 1000 mg against 17,831 products24 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg24 mg

89% of 17,831 products listing calcium give more (median 115 mg).

Sodiumas Sodium Ascorbate25 mg1%Sodium in Buffered Vitamin C 1000 mg against 14,514 products25 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.25 mg

64% of 14,514 products listing sodium give more (median 55 mg).

Citrus Bioflavonoidsas Bioflavonoids150 mgFlavonoid in Buffered Vitamin C 1000 mg against 2,343 products150 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.150 mg

Higher than 81% of 2,343 products listing flavonoid (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 273992 (entered September 22, 2022), 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:

  • Its 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 list more.

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 1000 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
Best consumed within 120 days after opening.
Directions: One (1) capsule daily with a meal, or as directed by a healthcare professional.
Warnings
Keep tightly closed in a cool, dry place, out of the reach of children.
Allergens and what it does not contain
Egg free Gluten free Free of nuts Dairy free

Source: label statements in DSLD label 273992.

What else is on the label?

Other ingredients: Vegetarian Cellulose.

How many labels does Buffered Vitamin C 1000 mg have?

2 labels are on file under this name since August 23, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 273992 (current) Entered September 22, 2022 · on the market · 90 capsules · UPC 8 38287 00232 1
  2. Label 24769 Entered August 23, 2013 · on the market · 90 capsules · UPC 8 38287 00232 1

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

Who makes it?

The label names Metabolic Maintenance (manufacturer), Sisters, Oregon. All Metabolic Maintenance products.

Where next?