Nature's Blend Vitamin B-12 100 mcg supplement bottle
Nature's Blend

Vitamin B-12 100 mcg

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
75
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as Cyanocobalamin) 100 mcg 4167%
Bioavailability Fair

Absorption Rating

  • Vitamin B12 (as Cyanocobalamin) Fair
Other Ingredients Excellent

Fillers & Additives

  • Calcium Carbonate
  • Cellulose
  • Acacia Gum
  • Maltodextrin
  • Calcium Phosphate
  • Croscarmellose Sodium
  • Magnesium Stearate
  • Silica
Efficacy Excellent

Dosage Analysis

  • Vitamin B12 (as Cyanocobalamin) 100 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as Cyanocobalamin) 100 mcg 4167%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Acacia Gum Safe

Binds tablet ingredients together. Also a source of soluble fiber.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Calcium Phosphate Generally_safe

It is used as a filler and anticaking agent in supplements.

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

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

Brand Trust Report
Nature's Blend

Founded 1974 · Casa Grande, Arizona, USA · 156 products · naturesblendshop.com/

Certifications

2 certifications
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2019-02-08Source
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Frequently Asked Questions
Is Nature's Blend Vitamin B-12 100 mcg a good supplement?

Nature's Blend Vitamin B-12 100 mcg received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 100 servings per container. Of the 8 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Nature's Blend, holds a brand trust score of 75/100 with 2 verified certifications including Npa Gmp, Fda Gmp Inspections.

What are the ingredients in Nature's Blend Vitamin B-12 100 mcg?

Nature's Blend Vitamin B-12 100 mcg contains 1 active ingredients: Vitamin B12 (as Cyanocobalamin) (100 mcg). Notable high-dose ingredients include Vitamin B12 at 4167% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Blend Vitamin B-12 100 mcg safe to take?

Nature's Blend Vitamin B-12 100 mcg 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 Nature's Blend a trustworthy supplement brand?

Nature's Blend receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1974 and headquartered in Casa Grande, Arizona, USA, the company offers 156 products in their lineup. They hold 2 verified certifications including Npa Gmp, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Blend has 1 historical regulatory incident 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.