Nature's Lab Super Vitamin C supplement bottle
Nature's Lab

Super Vitamin C

What We Researched
3 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
74
Product Score Fair
74
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Calcium Ascorbate) 1000 mg 1667%
Citrus Bioflavonoids Complex 200 mg
Quercetin (as Quercetin Dihydrate) 200 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Calcium Ascorbate) Good
  • Citrus Bioflavonoids Complex Fair
  • Quercetin (as Quercetin Dihydrate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose
  • Silicon Dioxide
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin C (as Calcium Ascorbate) 1000 mg Effective
  • Citrus Bioflavonoids Complex 200 mg Under-dosed
  • Quercetin (as Quercetin Dihydrate) 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Calcium Ascorbate) 1000 mg 1667%
Citrus Bioflavonoids Complex 200 mg
Quercetin (as Quercetin Dihydrate) 200 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$21$20$19$18$17 Mar 12 $18.99
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
Nature's Lab

Founded 2011 · Las Vegas, Nevada, United States · 44 products · natureslab.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

2 incidents
Fda Warning Serious violations of FDA's regulations for Current Good Manufacturing Practice (CGMP) in Manufacturing, Packaging, Labeling, or Holding Operations for Dietary Supplements. Specifically, failure to establish required specifications for points, steps, or stages in the manufacturing process where control is necessary to ensure the quality of the dietary supplement.2022-07-12Source
Prop 65 Not specified in the notice summary2020-11-25Source
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Frequently Asked Questions
Is Nature's Lab Super Vitamin C a good supplement?

Nature's Lab Super Vitamin C received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients with 60 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Nature's Lab, holds a brand trust score of 74/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Nature's Lab Super Vitamin C?

Nature's Lab Super Vitamin C contains 3 active ingredients: Vitamin C (as Calcium Ascorbate) (1000 mg), Citrus Bioflavonoids Complex (200 mg), Quercetin (as Quercetin Dihydrate) (200 mg). Notable high-dose ingredients include Vitamin C at 1667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Lab Super Vitamin C safe to take?

Nature's Lab Super Vitamin C has been analyzed for ingredient safety across all its components. All 3 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 Nature's Lab a trustworthy supplement brand?

Nature's Lab receives a brand trust score of 74/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2011 and headquartered in Las Vegas, Nevada, United States, the company offers 44 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Lab has 2 historical regulatory incidents 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.