Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy supplement bottle
Major

Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy

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

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as Cyanocobalamin) 1000.0 mcg
Bioavailability Fair

Absorption Rating

  • Vitamin B12 (as Cyanocobalamin) Fair
Other Ingredients Excellent

Fillers & Additives

  • Dextrose
  • Microcrystalline Cellulose
  • Croscarmellose Sodium And Calcium Stearate
Efficacy Excellent

Dosage Analysis

  • Vitamin B12 (as Cyanocobalamin) 1000.0 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as Cyanocobalamin) 1000.0 mcg

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.

$13$12$11$10$9 $11.31
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

· 135 products

Transparency

1 claim
Related Supplements
Frequently Asked Questions
Is Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy a good supplement?

Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 130 servings per container. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review.

What are the ingredients in Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy?

Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy contains 1 active ingredients: Vitamin B12 (as Cyanocobalamin) (1000.0 mcg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy safe to take?

Major Vitamin B-12 1000 mcg Tablets High-Potency Dietary Supplement for Energy 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.