Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support supplement bottle
Rugby

Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support

What We Researched
3 active ingredients analyzed · 5 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
74
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B-12 (as Cyanocobalamin) 250.0 mcg
Calcium (from Dicalcium Phosphate) 40.0 mg 3%
Phosphorus (from Dicalcium Phosphate) 30.0 mg 2%
Bioavailability Good

Absorption Rating

  • Vitamin B-12 (as Cyanocobalamin) Fair
  • Calcium (from Dicalcium Phosphate) Fair
  • Phosphorus (from Dicalcium Phosphate) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Croscarmellose Sodium
  • Stearic Acid
  • Silica
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin B-12 (as Cyanocobalamin) 250.0 mcg Effective
  • Calcium (from Dicalcium Phosphate) 40.0 mg Under-dosed
  • Phosphorus (from Dicalcium Phosphate) 30.0 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B-12 (as Cyanocobalamin) 250.0 mcg
Calcium (from Dicalcium Phosphate) 40.0 mg 3%
Phosphorus (from Dicalcium Phosphate) 30.0 mg 2%

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.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$11$10$9$8$7 $9.49
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 B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support a good supplement?

Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support 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 130 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support?

Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support contains 3 active ingredients: Vitamin B-12 (as Cyanocobalamin) (250.0 mcg), Calcium (from Dicalcium Phosphate) (40.0 mg), Phosphorus (from Dicalcium Phosphate) (30.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support safe to take?

Rugby Vitamin B12 250 mcg Tablets for Energy Red Blood Cell and Nervous System Support 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.

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.