Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor supplement bottle
Advanced Nutrition by Zahler

Buffered C Powder Natural Berry Flavor

What We Researched
4 active ingredients analyzed · 8 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
73
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 2350 mg 2611%
Calcium (as Calcium Ascorbate, Calcium Carbonate) 350 mg 27%
Magnesium (as Magnesium Ascorbate, Magnesium Carbonate) 350 mg 83%
Potassium (as Potassium Ascorbate, Potassium Bicarbonate) 99 mg 2%
Bioavailability Fair

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Calcium (as Calcium Ascorbate, Calcium Carbonate) Fair
  • Magnesium (as Magnesium Ascorbate, Magnesium Carbonate) Poor
  • Potassium (as Potassium Ascorbate, Potassium Bicarbonate) Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Inulin
  • Natural Flavors
  • Silicon Dioxide
  • Calcium Silicate
  • Rebaudioside A
  • Beet
  • Powder
Efficacy Fair

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 2350 mg High
  • Calcium (as Calcium Ascorbate, Calcium Carbonate) 350 mg Under-dosed
  • Magnesium (as Magnesium Ascorbate, Magnesium Carbonate) 350 mg Effective
  • Potassium (as Potassium Ascorbate, Potassium Bicarbonate) 99 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 2350 mg 2611%
Calcium (as Calcium Ascorbate, Calcium Carbonate) 350 mg 27%
Magnesium (as Magnesium Ascorbate, Magnesium Carbonate) 350 mg 83%
Potassium (as Potassium Ascorbate, Potassium Bicarbonate) 99 mg 2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Inulin Safe

It is used as a prebiotic fiber and to add bulk to supplements.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Rebaudioside A Generally_safe

It is used to add sweetness to supplements without adding calories.

Beet Unknown
Powder Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$28$27$26$25$24 Mar 12 $25.99
GNC

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Advanced Nutrition by Zahler

· 101 Henley Avenue, New Milford, NJ 07646, United States · 92 products · zahlers.com

Certifications

4 certifications
Kosher Certified Verified Source
Labdoor Verified Source
Fda Gmp Inspections Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed

Violation History

3 incidents
Prop 65 Lead2023-08-28Source
Lawsuit Trademark Infringement (Lanham Act)2022Source
Prop 65 Lead2021-12-09Source
Related Supplements
Frequently Asked Questions
Is Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor a good supplement?

Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor received a product quality score of 73/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 42 servings per container. Of the 8 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Advanced Nutrition by Zahler, holds a brand trust score of 81/100 with 4 verified certifications including Kosher Certified, Labdoor, Fda Gmp Inspections, Vegan Certified.

What are the ingredients in Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor?

Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor contains 4 active ingredients: Vitamin C (as Ascorbic Acid) (2350 mg), Calcium (as Calcium Ascorbate, Calcium Carbonate) (350 mg), Magnesium (as Magnesium Ascorbate, Magnesium Carbonate) (350 mg), Potassium (as Potassium Ascorbate, Potassium Bicarbonate) (99 mg). Notable high-dose ingredients include Vitamin C at 2611% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor safe to take?

Advanced Nutrition by Zahler Buffered C Powder Natural Berry Flavor has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Advanced Nutrition by Zahler a trustworthy supplement brand?

Advanced Nutrition by Zahler receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 92 products in their lineup. They hold 4 verified certifications including Kosher Certified, Labdoor, Fda Gmp Inspections, Vegan Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Advanced Nutrition by Zahler 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.