Rugby Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support supplement bottle
Rugby

Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support

What We Researched
· 3 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
87
Product Score Good

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Dextrose
  • Microcrystalline Cellulose
  • Croscarmellose Sodium And Calcium Stearate
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Microcrystalline Cellulose Safe

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

Croscarmellose Sodium And Calcium Stearate Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 $9.64
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
Rugby

Founded 1961 · Livonia, Michigan, USA · 135 products · majorrugby.com/

Transparency

1 claim

Violation History

4 incidents
Recall All liquid products manufactured by PharmaTech LLC and distributed by Rugby Laboratories2017-08-10Source
Recall Rugby Natural Iron Supplement tablets2013-01-17Source
Recall Rugby Children's Pain & Fever Concentrated Drops (Acetaminophen Drops)2011-07-21Source
Lawsuit Failure to have an effective system to identify and report suspicious orders of controlled substances.2011Source
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Frequently Asked Questions
Is Rugby Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support a good supplement?

Rugby Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review.

Is Rugby Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support safe to take?

Rugby Vitamin B-12 500 mcg Tablets for Energy Metabolism, Nervous System Support 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.