1 Product identity

Ingredient risk

1 ingredient to use with caution

Buffered Vitamin C 1000 mg

Name: Buffered Vitamin C 1000 mg
Brand: Bluebonnet

BrandBluebonnet→Other Combinations Other (e.g. tea bag) 11 ingredients 1 caution DSLD #279654

Net contents: 90 Caplet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2023-01-23

2 Ingredients (11)

IngredientGroupSafety

Vitamin CVitamin CGenerally Safe

CalciumCalciumConditionally Safe

Citrus Bioflavonoids ComplexFlavonoid (mixture)—

HesperidinHesperidin—

RutinRutin—

CelluloseCellulose—

Stearic AcidStearic Acid—

Silicon DioxideSiliconGenerally Safe

Magnesium StearateMagnesiumUse with Caution

Calcium PhosphateCalciumConditionally Safe

GlazeCoating—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Vitamin C — Generally Safe

⚠ GI distress at high doses

⚠ Kidney stones risk >1g/day

Calcium — Conditionally Safe

⚠ Cardiovascular risk debated >1,000 mg/day

⚠ Kidney stones

Silicon — Generally Safe

⚠ Very low toxicity

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

GLA — Limited Evidence

⚠ May lower seizure threshold

⚠ Borage oil: hepatotoxic unless PA-free

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID279654

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2023-01-23

6 More from Bluebonnet

View Bluebonnet Safety Scorecard → 174 products

Acetyl L-Carnitine 250 mg Acetyl L-Carnitine 250 mg Adrenal Support Adrenal Support Ascorbyl Palmitate 500 mg Ascorbyl Palmitate 500 mg

7 Cite this page

Vancouver

Pkhakadze G. Buffered Vitamin C 1000 mg — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 24]. Available from: https://supplement.ge/products/buffered-vitamin-c-1000-mg-279654/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG