Single Vitamin and Mineral

Buffered C Crystals

by Bluebonnet · Other (e.g. tea bag)

Supplement facts from the label of Buffered C Crystals by Bluebonnet: Vitamin C 4,100 mg, Calcium 375 mg.

Label of Buffered C Crystals, Bluebonnet
Label image: NIH DSLD · full label (PDF)
Serving size5 Gram(s)
Servings per container50
Most servings a day on the label1
TypeSingle Vitamin and Mineral
Barcode743715005464
Label recordDSLD 332420 · entered 2025-06-25

Supplement Facts

IngredientPer serving% DVUpper limit (adults)
Vitamin C (Calcium Ascorbate)4,100 mg4,556%2,000 mg · 205% at label max ⚠
Calcium (Calcium Ascorbate)375 mg29%2,500 mg · 15% at label max

⚠ Above the upper limit: at the most servings a day printed on the label, at least one ingredient goes above the adult UL. Some ULs apply only to supplemental forms (shown on each ingredient page).

Upper limits: NIH ODS Fact Sheets for Health Professionals. Compared only where the unit converts and the limit applies to the form on the label.

On the label

For: Vegan · Vegetarian · Adult (18 - 50 Years) · Kosher · No Allergies · Gluten Free · Dairy Free · Sugar Free

Claim types: Nutrient · All Other · Structure/Function

Formula re: Contains: Bluebonnet's Buffered C Crystals are formulated with a non-GMO, identity-preserved (IP) vitamin C from calcium ascorbate to help support immune health.

Formulation re: Other: May support immune health

Formulation re: Does NOT Contain: Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans and sesame. Also free of gluten, barley, rice, sodium and sugar.

Formula re: Contains: Minerals are shown in their elemental value.

Formula re: Kosher: Bluebonnet's KOF-K Certification #K-0000700

Precautions re: Children: Caution: For adults only. Keep out of reach of children.

This page repeats what the label says and the official upper limits for healthy adults. It is not medical advice: ask a doctor, pharmacist or registered dietitian about your own intake, especially if you are pregnant, take medicines or have a health condition.

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).