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Buffered C Powder Natural Berry Flavor

product on market Powder Advanced Nutrition by Zahler Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C, calcium, magnesium, and potassium are supported by strong evidence for their roles in immune function and mineral balance. These ingredients contribute to cellular health and physiological regulation. Research indicates a high safety profile for these nutrients when taken within recommended daily limits.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Buffered C Powder Natural Berry Flavor
Open Full PDF View on NIH DSLD →
Details

Label Data

7.5 Gram(s)
Serving Size
42
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
2350 mg (2611% DV)
Calcium
350 mg (27% DV)
350 mg (83% DV)
Within RDA (0.8× RDA) 316 studies (A:8, B:159)
Potassium
99 mg (2% DV)

Other Ingredients

Citric Acid Inulin Natural Flavors Silicon Dioxide Calcium Silicate Rebaudioside A Beet, Powder
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Mix 1 scoop (7.5 grams) with a cup of water or juice. Take daily, with or without food, or as directed by a healthcare practitioner.

Warnings & Precautions

Keep out of reach of children

Do not use if safety seal is damaged or missing.

If pregnant, nursing or on medication, consult with your healthcare practitioner.

Formulation Notes

Gentle & non-irritating Vitamin C Zahler Buffered C Powder contains Vitamin C plus the buffering minerals Calcium, Magnesium & Potassium Ascorbates. This advanced formula is easy on the stomach and non-irritating to the intestinal lining. Vitamin C is an essential antioxidant and a continuous supply is needed as it is water soluble and the body cannot store it.

Kosher Pareve OU (Kosher) Under the Strict Supervision of Rabbi Sh. Stern & The Orthodox Union

Non-gmo Gluten free Dairy free Soy free

Vegetarian Friendly

Vitamin C + buffering minerals Natural berry flavor

General health

This is a natural product that may exhibit color, taste, and density variations from batch to batch.

Additional Information

You may need additional supplements to support a healthy diet; consult your nutritionist for a formula that is right for you or contact us at 877-ASK-ZAHLER (877-275-9245) or ask@zahlers.com

OU (Kosher) D GMP Vegetarian Friendly Made in the USA with domestically sourced ingredients

Store tightly closed in a cool, dry place.

Metadata

Product Details

UPC / SKU8 48998 08248 2
DSLD Entry Date2023-11-22
Product TypeOther Combinations
FormPowder
DSLD ID301093
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.