1 Product identity

Ingredient risk

1 ingredient to use with caution

Ultra-C Forte

Name: Ultra-C Forte
Brand: Douglas Laboratories

BrandDouglas Laboratories→Other Combinations Capsule 15 ingredients 1 caution DSLD #5133

Net contents: 90 Capsule(s)

Target: Adults and Children 4 years and above

DSLD entry: 2012-01-25

2 Ingredients (15)

IngredientGroupSafety

Vitamin CVitamin CGenerally Safe

ProanthocyanidinsProanthocyanidins (unspecified)—

Proprietary Bioflavonoid ComplexProprietary Blend (Herb/Botanical)—

Rose HipsDog Rose—

AcerolaAcerola—

Berry ConcentratesBlend—

Bilberrybilberry Generally Safe

Schizandra Berry FruitSchisandraGenerally Safe

Cranberry Complexcranberry—

Lemon BioflavonoidsFlavonoid (mixture)—

Citrus BioflavonoidsFlavonoid (mixture)—

Red Wine ProanthocyanidinsProanthocyanidins—

GelatinGelatin—

SilicaSiliconGenerally Safe

Vegetable StearateMagnesium stearateUse with Caution

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

bilberry — Generally Safe

⚠ May increase bleeding risk at high doses

⚠ May lower blood glucose

Schisandra — Generally Safe

⚠ GI discomfort

⚠ May affect CYP enzymes

Silicon — Generally Safe

⚠ Very low toxicity

Magnesium — Use with Caution

4 Label claims

• All Other

5 Data source

DSLD ID5133

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2012-01-25

6 More from Douglas Laboratories

View Douglas Laboratories Safety Scorecard → 788 products

A-Potene 10 A-Potene 25 A-Retic Natural Herbal Formula A-Retic Natural Herbal Formula A.R. Formula A.R.M.D. Eye Support

7 Cite this page

Vancouver

Pkhakadze G. Ultra-C Forte — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 31]. Available from: https://supplement.ge/products/ultra-c-forte-5133/

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