Major Pharmaceuticals Vitamin-C 500 mg supplement bottle
Major Pharmaceuticals

Vitamin-C 500 mg

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 500 mg 833%
Bioavailability Fair

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Stearic Acid
  • Polyvinylpyrrolidone
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 500 mg 833%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

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.

Polyvinylpyrrolidone Generally_safe

It is used to bind ingredients together.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 $11.75
Target

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

Brand Trust Report
Major Pharmaceuticals

Founded 1982 · Livonia, MI, United States · 18 products · major-rugby.com/

Transparency

1 claim

Violation History

9 incidents
Recall ChlorproMAZINE Hydrochloride Tablets, USP, 25mg/50mg/100mg/200mg2025-09-16Source
Recall Gabapentin 100MG CAPSULES2025-06-17Source
Lawsuit Violation of the California Invasion of Privacy Act (CIPA) through website tracking technology.2024Source
Recall Polyvinyl Alcohol, 1.4% Lubricating Eye Drops and Lubricating Tears Eye Drops (Dextran/Hypromellose, 0.1%/0.3%)2023-10-31Source
Recall Dronabinol Capsules, USP, 2.5 mg and Ziprasidone Hydrochloride Capsules, 20 mg2023-06-23Source
Lawsuit Parent company Cardinal Health, along with other distributors, was involved in lawsuits alleging their role in fueling the opioid crisis.2022Source
Recall Valsartan2018-07-13Source
Recall All liquid products manufactured by PharmaTech LLC and distributed by Major Pharmaceuticals and Rugby Laboratories2017-08-10Source
Lawsuit Parent company Cardinal Health agreed to a $44 million settlement for alleged violations of the Controlled Substances Act by failing to report suspicious orders of controlled substances.2016Source
Related Supplements
Frequently Asked Questions
Is Major Pharmaceuticals Vitamin-C 500 mg a good supplement?

Major Pharmaceuticals Vitamin-C 500 mg received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review.

What are the ingredients in Major Pharmaceuticals Vitamin-C 500 mg?

Major Pharmaceuticals Vitamin-C 500 mg contains 1 active ingredients: Vitamin C (as Ascorbic Acid) (500 mg). Notable high-dose ingredients include Vitamin C at 833% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Major Pharmaceuticals Vitamin-C 500 mg safe to take?

Major Pharmaceuticals Vitamin-C 500 mg 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.

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.