PlainVitamins

Buffered Vitamin C Crystals

by Ecological Formulas · liquid · 250 grams

  • On the market (NIH)
  • UPC 6 96859 13095 3
  • DSLD label 271202
  • Serving 2.5 g (approx. 1/2 tsp)
  • 100 servings

Buffered Vitamin C Crystals by Ecological Formulas lists 7 ingredients, 7 with an amount per serving of 2.5 g, such as 1,250 mg of vitamin C, 5 mg of pantothenic acid, 212.5 mg of calcium and 137.5 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on July 21, 2022.

What is in Buffered Vitamin C Crystals?

Each row as the label prints it, per serving of 2.5 g. 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 Crystals: Supplement Facts rows against the market (DSLD label 271202, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Tapioca1,250 mg1,390%Vitamin C in Buffered Vitamin C Crystals against 18,583 products1,250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,250 mg

Higher than 98% of 18,583 products listing vitamin C (median 100 mg).

Pantothenic Acidas Calcium Pantothenate5 mg100%Pantothenic Acid (Vitamin B5) in Buffered Vitamin C Crystals against 10,060 products5 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg5 mg

77% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Calciumas Calcium Carbonate212.5 mg15%Calcium in Buffered Vitamin C Crystals against 17,831 products212.5 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg212.5 mg

Higher than 70% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Magnesium Carbonate, Magnesium Oxide137.5 mg35%Magnesium in Buffered Vitamin C Crystals against 14,003 products137.5 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg137.5 mg

Higher than 69% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Gluconate0.75 mg6%Zinc in Buffered Vitamin C Crystals against 13,186 products0.75 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg0.75 mg

98% of 13,186 products listing zinc give more (median 11 mg).

Manganeseas Manganese Citrate0.25 mg10%Manganese in Buffered Vitamin C Crystals against 7,016 products0.25 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg0.25 mg

94% of 7,016 products listing manganese give more (median 2 mg).

Potassiumas Potassium Bicarbonate50 mg2%Potassium in Buffered Vitamin C Crystals against 11,614 products50 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg50 mg

72% of 11,614 products listing potassium give more (median 99 mg).

Source: NIH ODS Dietary Supplement Label Database, label 271202 (entered July 21, 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 1,250 mg of vitamin C is higher than 98% of the 18,583 vitamin C products that print an amount; 277 list more.
  • 98% of the 13,186 products that print an amount of zinc list more than its 0.75 mg of zinc (median 11 mg).
  • 94% of the 7,016 products that print an amount of manganese list more than its 0.25 mg of manganese (median 2 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.

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 Mix one half teaspoon into water or your favorite cold drink, or more as directed by a physician.
Allergens and what it does not contain
The nutrients in this formula are the purest and highest quality available and contain no preservatives, diluents, sweetening agents or chemical additives.
Gluten free, casein free

Source: label statements in DSLD label 271202.

How many labels does Buffered Vitamin C Crystals have?

2 labels are on file under this name since June 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 271202 (current) Entered July 21, 2022 · on the market · 250 grams · UPC 6 96859 13095 3
  2. Label 22339 Entered June 25, 2013 · on the market · 250 g

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

Who makes it?

The label names Ecological Formulas (distributor), Concord, CA. All Ecological Formulas products.

Where next?