Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules supplement bottle
Allergy Research Group

Buffered Vitamin C, 120 Vegetarian Capsules

What We Researched
3 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
66
Product Score Fair
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 1000 mg 1665.5%
Calcium (as calcium carbonate) 190 mg 19%
Magnesium (as magnesium carbonate) 104 mg 26%
Bioavailability Poor

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Calcium (as calcium carbonate) Fair
  • Magnesium (as magnesium carbonate) Poor
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Silicon Dioxide
  • Microcrystalline Cellulose
  • Stearic Acid
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin C (as ascorbic acid) 1000 mg Effective
  • Calcium (as calcium carbonate) 190 mg Under-dosed
  • Magnesium (as magnesium carbonate) 104 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid) 1000 mg 1665.5%
Calcium (as calcium carbonate) 190 mg 19%
Magnesium (as magnesium carbonate) 104 mg 26%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$20$19$18$17$16 Mar 12 $18.39
Vitacost

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

Brand Trust Report
Allergy Research Group

Founded 1979 · Salt Lake City, Utah, United States · 73 products · allergyresearchgroup.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed
Coa Availability — Claimed
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2011-01-14Source
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Frequently Asked Questions
Is Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules a good supplement?

Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules received a product quality score of 66/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 60 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Allergy Research Group, holds a brand trust score of 71/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules?

Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules contains 3 active ingredients: Vitamin C (as ascorbic acid) (1000 mg), Calcium (as calcium carbonate) (190 mg), Magnesium (as magnesium carbonate) (104 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules safe to take?

Allergy Research Group Buffered Vitamin C, 120 Vegetarian Capsules has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Allergy Research Group a trustworthy supplement brand?

Allergy Research Group receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, Utah, United States, the company offers 73 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Allergy Research Group has 1 historical regulatory incident on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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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.