Nutricost Vitamin B12, 1,000 mcg, 120 Capsules supplement bottle
Nutricost

Vitamin B12, 1,000 mcg, 120 Capsules

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as methylcobalamin) 1,000 mcg 41,667%
Bioavailability Excellent

Absorption Rating

  • Vitamin B12 (as methylcobalamin) Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Hypromellose (Cellulose) Capsule
  • Dicalcium phospate
Efficacy Excellent

Dosage Analysis

  • Vitamin B12 (as methylcobalamin) 1,000 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as methylcobalamin) 1,000 mcg 41,667%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Hypromellose (Cellulose) Capsule Safe

It is used as a material for making vegetarian capsules.

Dicalcium phospate Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$12$11$10$9$8 Mar 12 $10.00
iHerb

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

Brand Trust Report
Nutricost

Founded 2012 · Vineyard, Utah, USA · 897 products · nutricost.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

4 incidents
Fda Warning Unregistered food product2024-08-23Source
Prop 65 Lead2023-12-19Source
Lawsuit Misleading advertising regarding the magnesium content in its magnesium glycinate supplement.2023Source
Lawsuit Mislabeled calorie content and undisclosed artificial flavoring in supplement powders.2022Source
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Frequently Asked Questions
Is Nutricost Vitamin B12, 1 a good supplement?

Nutricost Vitamin B12, 1,000 mcg, 120 Capsules received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 120 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Nutricost, holds a brand trust score of 81/100 with 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic.

What are the ingredients in Nutricost Vitamin B12, 1?

Nutricost Vitamin B12, 1 contains 1 active ingredients: Vitamin B12 (as methylcobalamin) (1,000 mcg). Notable high-dose ingredients include Vitamin B12 at 41,667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nutricost Vitamin B12, 1 safe to take?

Nutricost Vitamin B12, 1,000 mcg, 120 Capsules 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.

Is Nutricost a trustworthy supplement brand?

Nutricost receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Vineyard, Utah, USA, the company offers 897 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nutricost has 4 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.