PlainVitamins

Buffer-C

by MBi Nutraceuticals · liquid · 6 ozs

  • On the market (NIH)
  • UPC 3 58301 31613
  • DSLD label 231548
  • Serving 1 tsp
  • 31 servings

Buffer-C by MBi Nutraceuticals lists 14 ingredients, 14 with an amount per serving of 1 tsp, such as 4,000 mg of vitamin C, 110 mg of calcium, 5 mg of iron and 100 mcg of iodine. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2020.

What is in Buffer-C?

Each row as the label prints it, per serving of 1 tsp. 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).

Buffer-C: Supplement Facts rows against the market (DSLD label 231548, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories15 Calories1%
Vitamin Cas Ascorbic Acid4,000 mg6,666%

This amount is far outside what other labels list for vitamin C, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Calcium110 mg11%Calcium in Buffer-C against 17,831 products110 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg110 mg

51% of 17,831 products listing calcium give more (median 115 mg).

Iron5 mg28%Iron in Buffer-C against 6,910 products5 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg5 mg

46% of 6,910 products listing iron give more (median 5 mg).

Iodine100 mcg66%Iodine in Buffer-C against 6,382 products100 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg100 mcg

59% of 6,382 products listing iodine give more (median 150 mcg).

Magnesium160 mg40%Magnesium in Buffer-C against 14,003 products160 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg160 mg

Higher than 73% of 14,003 products listing magnesium (median 86 mg).

Zinc8 mg53%Zinc in Buffer-C against 13,186 products8 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg8 mg

60% of 13,186 products listing zinc give more (median 11 mg).

Selenium60 mcg86%Selenium in Buffer-C against 7,658 products60 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg60 mcg

Higher than 50% of 7,658 products listing selenium (median 55 mcg).

Copper1 mg50%Copper in Buffer-C against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg).

Manganese5 mg250%Manganese in Buffer-C against 7,016 products5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Chromium200 mcg167%Chromium in Buffer-C against 7,825 products200 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg200 mcg

Higher than 72% of 7,825 products listing chromium (median 100 mcg).

Molybdenum150 mcg200%Molybdenum in Buffer-C against 4,390 products150 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg150 mcg

Higher than 93% of 4,390 products listing molybdenum (median 50 mcg).

Potassium95 mg3%Potassium in Buffer-C against 11,614 products95 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg95 mg

54% of 11,614 products listing potassium give more (median 99 mg).

Boron500 mcgBoron in Buffer-C against 3,339 products0.5 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.5 mg

65% of 3,339 products listing boron give more (median 1 mg).

Vanadium150 mcgVanadium in Buffer-C against 1,744 products150 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg150 mcg

Higher than 83% of 1,744 products listing vanadium (median 25 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 231548 (entered August 23, 2020), 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?

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 150 mcg of molybdenum is higher than 93% of the 4,390 molybdenum products that print an amount; 164 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 Buffer-C'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
Recommendation: One teaspoon per day following a meal. May be mixed with juice or water or as directed by your health care professional.
Warnings
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
If tamper resistant seals are broken do not use this product.

Source: label statements in DSLD label 231548.

What else is on the label?

Other ingredients: Citric Acid, Aspartic Acid, Silica.

How many labels does Buffer-C have?

One label is on file, entered on August 23, 2020.

  1. Label 231548 (current) Entered August 23, 2020 · on the market · 6 ozs · UPC 3 58301 31613

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

Who makes it?

The label names MBi Nutraceuticals (manufacturer), Lindon, UT. All MBi Nutraceuticals products.

Where next?