Kirkland Signature Chewable C Tangy Orange Taste supplement bottle
Kirkland Signature

Chewable C Tangy Orange Taste

What We Researched
2 active ingredients analyzed · 11 inactive ingredients decoded · 6 brand certifications checked · Last updated: Mar 2026
56
Product Score Poor
82
Brand Score Good

Product Analysis

Transparency Very Poor

Supplement Facts

IngredientAmount% DV
Sodium Ascorbate
Ascorbic Acid
Bioavailability Very Good

Absorption Rating

  • Sodium Ascorbate Good
  • Ascorbic Acid Fair
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Corn Starch
  • Magnesium Stearate
  • Natural Orange Flavor
  • Silicon Dioxide
  • Sucralose
  • Orange Juice Powder
  • Maltodextrin
  • Lactose
  • Annatto Extract (Color)
  • Potassium Hydroxide Low
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Sodium Ascorbate
Ascorbic Acid

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Orange Juice Powder Unknown
Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Lactose Generally_safe

It is used as a filler or binder.

Annatto Extract (Color) Safe

It is used to provide a yellow or orange color to supplements.

Potassium Hydroxide Caution

It is used to adjust the pH.

Brand Trust Report
Kirkland Signature

Founded 1995 · Issaquah, Washington, United States · 26 products · costco.com/kirkland-signature.html

Certifications

6 certifications
Consumerlab Verified
Non Gmo Project Verified
Usda Organic Verified
Usp Verified Verified Source
Gluten Free Gfco Verified
Vegan Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Claimed

Violation History

3 incidents
Lawsuit Falsely advertising rotisserie chicken as containing 'no preservatives'2026Source
Recall Kirkland Signature B100 Complex Timed Release2025-03-31Source
Recall Kirkland Signature Severe Cold and Flu Plus Congestion2024-11-30Source
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Frequently Asked Questions
Is Kirkland Signature Chewable C Tangy Orange Taste a good supplement?

Kirkland Signature Chewable C Tangy Orange Taste received a product quality score of 56/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 2 active ingredients Of the 11 inactive ingredients, 5 are rated safe and 1 are flagged for review. The manufacturer, Kirkland Signature, holds a brand trust score of 82/100 with 6 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Usp Verified.

What are the ingredients in Kirkland Signature Chewable C Tangy Orange Taste?

Kirkland Signature Chewable C Tangy Orange Taste contains 2 active ingredients: Sodium Ascorbate, Ascorbic Acid. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkland Signature Chewable C Tangy Orange Taste safe to take?

Kirkland Signature Chewable C Tangy Orange Taste has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 5 are rated safe. 1 ingredient is flagged for review: Potassium Hydroxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Kirkland Signature a trustworthy supplement brand?

Kirkland Signature receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1995 and headquartered in Issaquah, Washington, United States, the company offers 26 products in their lineup. They hold 6 verified certifications including Consumerlab, Non Gmo Project, Usda Organic, Usp Verified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Kirkland Signature has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.